# Posts by Sanjay

Total # Posts: 163

**Maths**

If the sum of circumferences of two circles wirh radii r1 & r2 is equal to the circumference of a circle of radius r, then what is true 1 r1+ r2 = r or sum of their squares= r2

**Maths**

If a cone of radius r and slant height 2r is surmounted on a cone having radius 2r and slant height 4r then find total surface area of solid

**Maths **

if a spherical medicine with radius r is broken down in to 1000 spherical small tablets then the css of original spherical medicine will become---- times

**Maths**

408

**Maths **

The diameter and length of a roller are 84cm and 120 cm respectively in how many revolution can the roller level the playground of area 1584 Sq meter

**Maths**

In trapezium ABCD AB Parallel to CD diagonal intersect at O(AC and BD)how can we prove that AOD and COD are similar

**Maths**

(Cos/1+cosec) + (sin/ 1+cot ) = sin + cos prove that

**Maths **

Please show the method of showing root 42 on number line.

**Maths**

9^x+2 - 6* 3^x+1= 0 find x Answer earlier I got confused

**Maths **

What is added to 5,9,17,27 to be in proportion

**Maths **

Under root x+ under root x up to infinite time =6 find x

**Maths**

Actually how do you get +1 after81u^2-18u +1 I can't understand

**Maths**

9^x+2 - 6* 3^x+1= 0 find x

**Maths**

(a^2 - b^2) sin theta+ 2abcos thetha= a^2 + b^2 then find tan theta

**Maths**

Cos^4(?)/cos^2(?) + sin^4(?)/ sin^2(?)=1 Prove that cos^4 alpha/cos^ thetha + sin^4alpha/ sin^2thetha= 1

**Maths **

Cos4theta/cos2alpha + sin4theta/ sin2alpha=1 prove that

**Algebra 2**

Oh...thx it is squared.

**Algebra 2**

Let f(x) = 3x^2 – x + 2 and g(x) = 5x^2 – 1. Find f(g(x)). Show each step of your work. I got 75x^4 -35x +6 If that is wrong can you correct me. Thank you!

**math**

You multiply 3/4 by 5600 and .13 That will be the answer. It is a formula. If I remember it is I=prt. Time=9/12=3/4. r=rate=.13 and part=5600. That is the answer

**Science**

Which is more harmful tannin or caffeine?

**Math**

Find the three rational number of 5 and -2

**Maths**

The party of kejriwal walks from gwalior to Bhuvneshwar. They first walk straight for 150km and then turn 45 ddegree towards Varansi and again go straight for 120km how for have they travelled from the initial place. Please show the method.

**Maths**

In a cricket, a bowler throws a ball at the height 5m. A ball bounces on the pitch at 8m away. A wicket keeper catches this ball from 5m away at the height of 8m. How much distance the ball has covered after pitch. Please show the method.

**Maths **

(1+a+b+c)(1+ 1/a +1/b +1/c )= 16 then find a+b+c. Show the method

**Maths**

10 marks add to each of the 12th standard students marks due to poor result which of the following measure does not change? (A)mean (b) median (c) mode(d) standard deviation

**Maths**

At present what you are answering my question ,what is the probability of getting 1 out of 1 marks

**Maths**

What is the probability of the question that you are answering To get 1Mark out of 1mark in that question.

**Maths**

please explain this mcq- According to Euclid's division of Lemma, for a and 5 if a=5q+r is unique then r = ...... is not possible. A. 0 B. 2 C. 4 D. 6

**Maths**

What is the probability of a question (mcq)you are writing now to get 1 Mark out of it.

**Science**

If 5 equal pieces of 25 ohm (omega) is joined in parallel then what is the equivalent resistance of it. Is it 5 or 1.please urgent

**maths**

Angle AOP is an acute angle .circle (O, OP ) is passing from A on the circle. Line l touches at A. N is perpendicular on line l from P. If AN =15 PN =9 then radius=-----

**Science**

Which tunable property is the great thrust in biological and medical sciences? A) physical B) chemical C) biological D) none

**Science**

What is the increment in power if current increases by 1% and resistance remain constant

**physics**

3 charges are placed in a equilateralABC of side l.a point is kept between the sideBc such that the chargeA remains.find the magnitude and sign of the point charge

**maths **

A wire from a square of area 324 cm2. If A wire from a semicircle then area becomes ------

**maths**

Angle AOP is an acute angle .circle (O, OP ) is passing from A. Line l touches at A. No is perpendicular on line l from P. If AN =15 PN =9 then radius=-----

**maths**

Line AB touches circle (p,12) at A and circle (Q, 5) at B. If PQ = 25 and A and B are either side of line PQ then AB=-

**maths **

A two digit number is k times the sum of the digit. By interchanging the digits, Find the number is how many times its sum of the digits. Explain method

**maths**

AB touches circle (P, 12) at A and circle (Q, 5) at B. If PQ= 25 and A&B are either side of PQ tthen AB= -------- please explain with diagram

**maths**

The measure of the side of an equilateral triangle is 6cm. Then area of circle touching all three sides of given triangle is ------cm2 (a) pie (b) 3 pie (c) 12 pie (d) 36pie

**maths **

Angle of elevation of sun from earth is called? (A) sunset (b) sun's altitude (c) sunrise (d) none

**maths **

In triangle ABC a=8 b=9 c=7 then what is radius (a) 2.5 (b)3.5 (c)4.5 (d) 1.5

**maths**

How are the angles to be constructed in distinct half plane of a line segment for division of line segment? (A) obtuse (B) acute (c)right (d) A OR B

**maths**

Find two natural numbers in ratio 5:7 such that their l.c.m.is 120

**maths **

In a cricket, a bowler throws a ball at the height 5m. A ball bounces on the pitch at 8m away. A wicket keeper catches this ball from 5m away at the height of 8m. How much distance the ball has covered after pitch

**maths**

The party of kejriwal walks from gwalior to Bhuvneshwar. They first walk straight for 150km and then turn 45 ddegree towards Varansi and again go straight for 120km how for have they travelled from the initial place

**maths **

Find all possible pairs of two natural numbers whose sum is 77 and their g.c.f is 7

**maths**

Find two natural numbers in ratio 5:7 such that their lives. L C.m. is 210

**maths**

If six cubes of 10 cm edge are joined edged to edge then the surface area of the resulting cuboid is ------please show method

**maths**

In the green rectangular board of measure 20×15 ,there is a white square with side 10 units. In the square, there is a orange right angle triangle of measure 3×4×5 . Find the probability that a dart strikes in orange portion

**Maths**

If the angles of triangle ABC are in increasing order and in an arithmetic progression then find sinB

**chemistry**

In equation He +Br2------>2HI why chemical rate of Br2 is taken as 1/2 . It's a reversible reaction. Please explain in detail. While H2 rate is taken as 1 why?

**maths**

If the graph of f (x)=ax2+bx+c then how do we know the value of b from the graph. We will come to know the value of a & c by the shape of the graph like open upward or downward but what about 'b' explain

**maths**

If a spherical medicine with radius R is broken down into 1000 spherical small tablets then the surface area of original medicine will become ----------times. Please show method how to do

**maths**

Find all possible pairs of two natural numbers whose sum is 77 and their g.c.d. is 7

**maths**

Find all possible pairs of two natural numbers whose sum is 77 and their g.c.d. is 7

**maths**

Find all possible pairs of two natural numbers whose sum is 77 and their g.c.d. is 7

**maths**

Find the two natural no in the ratio of 5:7 such that it's lam is 210 with method

**chemistry**

What is n+1+m for 4p orbital and what is n+l+m for 4p orbital

**maths**

How many circles are there whose central lines on X axis and passes through origin?

**maths**

If mewi=xi-25/10 and sigma fiui=20 and sigma fi=25 what is the mean?

**Math**

Rushil and Timmy shared a sum of money in the ratio 3:4. If Timmy received R 6 more than Rushil, find the total sum of money shared between them.

**statics**

A former student of ENG8101 wishes to weigh him/herself but only has access to a scale A with capacity limited to 400 N and a small 80-N spring dynamometer B. With the rig shown, he/she discovers that when he/she exerts a pull on the rope so that B registers 76 N, the scale A ...

**Math**

66:36::18:?

**physics**

A horizontal, straight wire carrying 12 A current from east to west is in the earth's magnetic field B. At this place, B is parallel to the surface of the earth, points north and its magnitude is 0.04mT. Determine the Magnetic Force on 1 m length of wire. If mass of this ...

**maths**

If the circumference of a base of a hemisphere is 2 pie then it's volume is ---' cm3

**science**

Metal obtained by chemical reduction is it iron or aluminium?

**English**

Are your guides kind to you? l asked (questions tag) (A) are they? (B) aren't they?

**maths**

Mr. Ahmed age is 47 yes and sani's age is 15 years .In how many years will Ahmed 's age be double of Sani's age?

**maths**

If 6 cubes of 10 cm edge are joined edged to edge then the surface area of the resulting cuboid is ----

**English**

I m silver and exact. I have no preconceptions. Whatever I see I swallow immediately. Just as it is, unmisted by love ordislike. I m not cruel, only truthful-.The eye of a llittle god, four cornered.Most of the time I meditate on the opposite wall.It is pink with speckles. I ...

**science**

Two wires if the same metal and of the same dia. And same length are connected in series 1st n then parallel, the ratio of energy produced during series n parallel connection will be ..... A. 1:2 B. 2:1 C. 1:4 D. 4:1

**science**

Two wires if the same metal and of the same dia. And same length are connected in series 1st n then parallel, the ratio of energy produced during series n parallel connection will be ..... A. 1:2 B. 2:1 C. 1:4 D. 4:1

**science**

Two wires if the same metal and of the same dia. And same length are connected in series 1st n then parallel, the ratio of energy produced during series n parallel connection will be ..... A. 1:2 B. 2:1 C. 1:4 D. 4:1

**maths**

In triangle PQR QM perpendicular to PR, RN perpendicular to PQR, H is ortocentre of triangle PQR then PNHM is -----

**maths**

In triangle PQR QM perpendicular to PR, RN perpendicular to PQR, H is ortocentre of triangle PQR then PNHM is -----

**maths**

The area of the triangle made by the line x/a + y/b = 1 with the coordinate axis is ------how ?

**maths**

If 8100 can be factorised in a2×b4×c2 then find a+b give answer plus method .

**maths**

The number 8100 can be factorised as a2×b4×c. What is the value of (a+b)? With method

**maths**

A metallic sphere of radius r is melted and converted in to a cone with height r . Then the radius of the base of the cone is ----

**maths**

If radius and height are equal for a cylinder,cone and hemispere are same,the ratio of their volume will be------

**maths**

If one of the zeroes of cubic polynomial x3 + ax2 + bx + c is - 1 then the product of the other two zeroes is -----

**maths**

Probability that two digit number is multiple of five and how?

**science**

Resistivity dependent on length and area or not

**science**

Rheostat varies what 1. Current 2. Resistance 3 . voltage

**maths**

60 students appear for examination. Out of which 1/15 th were failed and total percent of students who got more than 90% were 0.125% .then if 1 student randomly choose find the probability of getting that students to be passed

**maths**

In TRIANGLE ABC points P,Q,R arethe points lies inside triangle in such a way that Ap= PR, BQ=QP &QR=RC n area of triangle PQR =100 then find the Area of ABC

**maths**

in TRIANGLE ABC points P,Q,R arethe points lies inside triangle in such a way that Ap= PR, BQ=QP &QR=RC n area of triangle PQR =100 then find the Area of ABC

**maths**

In TRIANGLE ABC points P,Q,R arethe points lies inside triangle in such a way that Ap= PR, BQ=QP &QR=RC n area of triangle PQR =100 then find the Area of ABC

**sanket study centre**

In triangle ABC p,q,r such that they lie interior of triang ABC and AP=AR and all the three sides of triangle PQR are scalan if area of triangle PQR is 100 then find area of triangle ABC

**science**

Which hormone secreted from ureter,kidneys,urethra?

**science**

In which part of the alimentary canal digestion of starch began?

**PHYSICS**

A mass of 100 gm is attached to the end of a rubber string 49 cm long n hving sn area of cross section 20 sqmm. The string is whirled around, horizontally at a cnstnt speed of 40 rps in a crcl of radius 51 cm. Find the young's modulus of rubber.

**maths**

The probability of card being an ace of heart in a pack of 52 card is----

**maths**

The most appropriate measure for the open ended frequency distribution is-----

**maths**

Four bells tolls at an interval of 8,12,15 &18 second a respectively. How many times will they toll together in one hour excluding the one at the start?

**science**

What is not present in animal cell if nucleus is absent

**maths**

Arrange 10 people in 5 rows in such a manner that there are 4 people in each row

**maths**

The cost of 100 fruits is rupees 500. Cost of 1 watermelon ,1 guava,1 banana respectively rupees 50,10 and 1 find the no.of fruit of each type

**English**

It has some very unusual recipes. (Make it exclamatory). (A) what unusual recipese it has! (B) how unusual recipes it has!