mayank

Newest questions and responses by mayank
  1. 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
  2. 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
  3. math

    (i)prove that 1/1+sintheta +1/1-sin theta=2sec^2 theta

    asked on September 23, 2016
  4. maths

    if cos(alpha + beta)=0 then what will be the value of sin(alpha - beta)

    asked on August 23, 2016
  5. science

    Write about different types of plants?

    asked on May 23, 2016
  6. verma

    what was the special about glubbdubdrib a

    asked on March 15, 2016
  7. 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
  8. 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
  9. 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
  10. Statistics[Math]

    Construct a histogram for following frequency distribution : Class-intervals Frequency 0-4 5 5-9 8 10-14 12 15-19 9 20-24 4

    asked on October 29, 2012
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. Math

    Solve: 3^x^2 : 3^x = 9 : 1

    asked on July 18, 2012
  17. Math

    Solve: 3x + 7y + 5= 0 4x - 3y - 8 = 0 Find p; if: px + y - 1= 0

    asked on July 16, 2012
  18. Math

    Solve: 3x + 7y + 5= 0 4x - 3y - 8 = 0 Find p; if: px + y - 1= 0

    asked on July 16, 2012
  19. Math

    Solve: 3x + 7y + 5= 0 4x - 3y - 8 = 0 Find p; if: px + y - 1= 0

    asked on July 16, 2012
  20. 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
  21. Math

    Solve x/a-y/b =0 ax+by = a*a + b * b

    asked on July 16, 2012
  22. Math

    Solve x/a-y/b =0 ax+by = a*a + b * b

    asked on July 16, 2012
  23. 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
  24. 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
  25. 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
  26. math

    solve the following: ax + by = a-b bx - ay = a+b find the value of x and y

    asked on June 30, 2012
  27. chemistry

    150 ml M/10 Ba(MnO4)2 in acidic medium can oxidise what?

    asked on June 26, 2011
  28. english

    fill in the blanks with appropriate (suitable)determiners 1.he did seem to have read----scriptures. 2.as----youth i had to work harder.

    asked on April 16, 2011
  29. english

    fill in the blanks with appropriate (suitable)determiners 1.he did seem to have read----scriptures.

    asked on April 16, 2011
  1. physics

    Can you plz explain how it will be 0° bcz still I m Unable to understand....

    posted on September 25, 2018
  2. 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
  3. Math (Geometry)

    gtjvj.

    posted on December 9, 2016
  4. Calculus

    If f(x) = 8 sec x − 5x, find f '(x).

    posted on October 4, 2016
  5. math

    the two numbers are 4 and 2

    posted on August 23, 2016
  6. Science

    13 m

    posted on May 28, 2016
  7. 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
  8. 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
  9. chemistry

    45.58 cc

    posted on June 27, 2012
  10. computers

    Please contact me at msjaiswal[at]gmail[dot]com for solutions. Price 10$

    posted on April 22, 2011