Most popular questions and responses by manpreet
  1. Chemistry

    A 10.0 mL sample of 3.00 M KOH(aq) is transferred to a 250.0 ml volumetric flask and diluted to the mark. It was found that 38.5 ml of this diluted solution was needed to react the stoichimetric point in a titration of 10.0 mL of a phosphoric acid, H3PO4,

    asked on December 7, 2017
  2. maths-urgent

    a metal block of length 4cm ,breadth 3cm and height 2.5 weighs 500g.what is the mass of a block of length 5cm,breadth 4cm made of the same metal.

    asked on January 7, 2013
  3. maths

    Find the equation of the straight line passing through (3,-2) and making an angle of 60 degree with the positive direction of y-axis

    asked on January 11, 2013
  4. maths

    find the equation of the line joining the origin to the point of intersection 4x+3y=8 and x+y=1

    asked on January 11, 2013
  5. Statistics

    A survey is taken among customers of a fast-food restaurant to determine preference for hamburger or chicken. Of 200 respondents selected, 75 were children and 125 were adults. 120 preferred hamburger and 80 preferred chicken. 55 of the children preferred

    asked on October 22, 2018
  6. maths

    a trader marks his goods 20% above the CP .He then sells them at a discount of 20% .If his CP is 550 what is his gain or loss and its percentage

    asked on January 1, 2013
  7. maths

    rewrite the addition sum given below using digits. Each letter is used for a different digit. Answer the questions given below i) Which digit did you find first? ii) How did you find R and U? ........F.O.U.R ...........O.N.E ....T.H.R.E.E ....T.H.R.E.E

    asked on January 13, 2013
  8. maths

    A villager Itwaari has a plot of land of the shape of a quadrilateral. The Gram Panchayat of the village decided to take over some portion of his plot from one of the corners to construct a Health Centre. Itwaari agrees to the above proposal with the

    asked on December 4, 2012
  9. Rounding up and down

    1. Lily moves 0.337 tonnes of sand to make a sandpit how much is this to two decimal places? 2. Lily moves 0.5 tonnes of pebbles to decorate the flower bed. If this mass has been to one decimal place, which of these could be the actual mass of pebbles? A

    asked on December 1, 2014
  10. maths-urgent

    If the sums of n terms of 2 A.P. are in ratio (3n+5)/(5n+7), then find their nth terms ratio

    asked on January 7, 2013
  11. dps

    If a and b are two unit vectors and θ is the angle between them, then a+b is a unit vector if θ is

    asked on November 23, 2012
  12. maths

    the side of triangular park are 8m 10m 6m A small circular area of diameter 2m is to be left out and the remaining is to be used for growing roses how much area is used for growing roses

    asked on February 4, 2018
  13. Math

    An arithmetic progression has 10 terms. Sum of the 10 terms is 220. Sum of the odd terms is 100. Find the first term and common difference.

    asked on January 7, 2016
  14. maths-urgent

    rewrite the addition sum given below using digits. Each letter is used for a different digit. Answer the questions given below i) Which digit did you find first? ii) How did you find R and U? ........F.O.U.R ...........O.N.E ....T.H.R.E.E ....T.H.R.E.E

    asked on January 13, 2013
  15. maths

    E is the mid-point of median AD of the triangle ABC and BE is produced to meet AC at F. Show that AF = 1 1/2 AC

    asked on December 4, 2012
  16. maths

    (sinθ+1)/(1-sinθ) =(tanθ+secθ)²

    asked on May 23, 2013
  17. maths

    There is a rectangular table of size 21cm ×15 cm formed by 21 × 15 small squares of side 1cm each. Number of vertices of small squares through which a diagonal of the rectangular table passes is

    asked on January 9, 2013
  18. maths

    csa of a cone is twice the other cone if the slant height of the other cone is twice of first one then the ratio of their radius is

    asked on January 6, 2013
  19. maths

    if cosx=-1/2,x lies in third quadrant, find sinx.

    asked on November 27, 2012
  20. maths

    the ratio of the length of sides of equilateral triangle to the height is ?

    asked on January 6, 2013
  1. Grammar

    he grows whea in his field.

    posted on July 12, 2018
  2. maths

    F 1.8 30 +32=54+32

    posted on April 29, 2018
  3. Math


    posted on December 18, 2017
  4. 5th math


    posted on June 19, 2017
  5. college

    A person is running at the rate of 13.0 m/s on a horizontal street directly toward the foot of a tower 33.0 m high. How fast is the person approaching the top of the tower when 15.0 m from the foot of the tower?

    posted on December 2, 2016
  6. math

    don't known

    posted on January 16, 2014
  7. Roman Numerals


    posted on June 4, 2013
  8. maths

    i think there is some error in question

    posted on January 13, 2013
  9. science

    reference point

    posted on November 29, 2012