# 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!

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