mayank
Newest questions and responses by mayank
Chemistry
If the percentage of water of crystallization in MgSO4.xH2O is 13% , then what is the value of 'X'.
asked on July 19, 2017 
math
a grocer bought 25 dozens of eggs for Rs 525. out of these, 18 eggs were found to be rotten. he sold the remaining eggs at the rate of Rs 26 per dozen. find his gain or loss percent.
asked on February 12, 2017 
math
(i)prove that 1/1+sintheta +1/1sin theta=2sec^2 theta
asked on September 23, 2016 
maths
if cos(alpha + beta)=0 then what will be the value of sin(alpha  beta)
asked on August 23, 2016 
science
Write about different types of plants?
asked on May 23, 2016 
verma
what was the special about glubbdubdrib a
asked on March 15, 2016 
Math
If three sides of a triangle are represented by three consecutive odd numbers and the perimeter is 75cm.Find the length of the sides.
asked on January 11, 2016 
science
Calculate the weight of gold having specific heat capacity 0.13 joule which is heated from 25 degree c to 300 degree c, where the heat absorbed is 1500 joule?
asked on December 18, 2014 
math
the angle of a quadrilateral are in the ratio 4:5:3:8. find the measure of each angle
asked on March 9, 2013 
Statistics[Math]
Construct a histogram for following frequency distribution : Classintervals Frequency 04 5 59 8 1014 12 1519 9 2024 4
asked on October 29, 2012 
Physics
A solid of density 5000 kg/m^3 weighs 0.5 kgf in air.It is completely immersed in water of density 1000 kg/m^3. Calculate the apparent weight of the solid in water.
asked on September 20, 2012 
Math
Manohar has total of rs 250 as currency notes in the denomination of rs 20 ,rs10 and rs 5. The ratio of the numbers of rs 20 notes and rs10 notes is 3:4. If he has a total of 24 notes,how many notes of each denomination he has?
asked on September 16, 2012 
Math
Manohar has total of rs 250 as currency notes in the denomination of rs 20 ,rs10 and rs 5. The ratio of the numbers of rs 20 notes and rs10 notes is 3:4. If he has a total of 24 notes,how many notes of each denomination he has?
asked on September 16, 2012 
Math
Q) Hasan buys two kinds of cloth materials for school uniforms, shirt material costs him Rs 50 per metre and trouser materia l costs him Rs 90 per meter. For every 2 meters of the trouser material he buys 3 meters of shirt material. He sells that material
asked on September 15, 2012 
Geometry
If two non parallel lines are perpendicular to two other straight lines , each to each . Show that the acute angle between the first pair of lines is equal to the acute angle between the second pair of lines.
asked on July 29, 2012 
Math
Solve: 3^x^2 : 3^x = 9 : 1
asked on July 18, 2012 
Math
Solve: 3x + 7y + 5= 0 4x  3y  8 = 0 Find p; if: px + y  1= 0
asked on July 16, 2012 
Math
Solve: 3x + 7y + 5= 0 4x  3y  8 = 0 Find p; if: px + y  1= 0
asked on July 16, 2012 
Math
Solve: 3x + 7y + 5= 0 4x  3y  8 = 0 Find p; if: px + y  1= 0
asked on July 16, 2012 
Math
Solve: i) x/a  y/b = 0 ax + by = a^2 + b^2 ii) a/x  b/y = 0 ab^2/x + a^2 b /y = a^2 + b^2
asked on July 16, 2012 
Math
Solve x/ay/b =0 ax+by = a*a + b * b
asked on July 16, 2012 
Math
Solve x/ay/b =0 ax+by = a*a + b * b
asked on July 16, 2012 
Math
3 men and 4 boys can do a piece of work in14 days , while 4 men and 6 boys do the same work in 10 days . How long would it take one man to finish the same work?
asked on July 5, 2012 
Chemistry
Calculate the volume at s.t.p. occupied by a gas 'Q' originally occupying 153.7cc at 287K and 750mm pressure [vapor pressure of at 287K is 12mm of Hg]
asked on June 30, 2012 
Chemistry
Calculate the volume at s.t.p. occupied by a dry gas 'Q' originally occupying 153.7cc at 287K and 750mm pressure [vapor pressure of gas 'Q'at 287K is 12mm of Hg]
asked on June 30, 2012 
math
solve the following: ax + by = ab bx  ay = a+b find the value of x and y
asked on June 30, 2012 
chemistry
150 ml M/10 Ba(MnO4)2 in acidic medium can oxidise what?
asked on June 26, 2011 
english
fill in the blanks with appropriate (suitable)determiners 1.he did seem to have readscriptures. 2.asyouth i had to work harder.
asked on April 16, 2011 
english
fill in the blanks with appropriate (suitable)determiners 1.he did seem to have readscriptures.
asked on April 16, 2011

physics
Can you plz explain how it will be 0° bcz still I m Unable to understand....
posted on September 25, 2018 
organic chem
You need only to know the vapor pressure of water at that b.p. which is ~ 179 mm hg, so the (vapor pressure of C2H5I = 760  179 )and since you know (M.W. of H2O = 18 g/mol, & M.W. C2H5I = 156 g/mol), you just apply the equation: grams H2O M.W. H2O × P
posted on February 11, 2017 
Math (Geometry)
gtjvj.
posted on December 9, 2016 
Calculus
If f(x) = 8 sec x − 5x, find f '(x).
posted on October 4, 2016 
math
the two numbers are 4 and 2
posted on August 23, 2016 
Science
13 m
posted on May 28, 2016 
financial management
Your annual interest rate (usually called an APR or annual percentage rate) is listed in the loan documents. To get the monthly interest rate that you need, simply divide the annual interest rate by 12. So,16% annual interest rate would be divided by 12 to
posted on May 18, 2016 
Accounting
Answer D is appropriate, The accounts payable entry is found on a balance sheet under the heading current liabilities. It so similar to the Bills payable and Tax payable.
posted on May 18, 2016 
chemistry
45.58 cc
posted on June 27, 2012 
computers
Please contact me at msjaiswal[at]gmail[dot]com for solutions. Price 10$
posted on April 22, 2011