Popular questions and responses by Sunil
  1. Mensuration

    A sheet of paper measures 30cm by 20cm. A strip 4cm wide is cut from it all around. Find the area of the remaining sheet and also the area of the strip cut out.

    asked on February 24, 2016
  2. Mensuration

    A rectangular lawn 80m *60m has two rmads each 10m wide running in the middle of it, one parallel to the length and the other parallel to the breadth. Find the cost of gravelling them at ₹1.20 square metre.

    asked on February 24, 2016
  3. Mensuration

    A floor which measures 15m*8m is to be laid with tiles measuring 50cm by 25 cm. Find the number of tiles required. Further, if a carpet is laid on the floor so that a space of 1m exists between its edges and the edges of the floor, what fraction of the

    asked on February 24, 2016
  4. Mensuration

    A verandah 1.25m wide is constructed all along the outside of a room 5.5m long and 4m wide. Find the cost of cementing the floor of this verandah at the rate of ₹15 per sqare metre.

    asked on February 24, 2016
  5. statistics

    question- a packaging device is set to fill detergent powder packets with a mean weight of 5 kg .the standered deviation is known to be 0.01kg.these are known to drift upward over a period of time due to machine fault,which is not tolerable.a random sample

    asked on October 29, 2010
  6. Mensuration

    The leanth and breadth of a playground are 80m and 35m respectively. (i)-How long will a boy take to go three times round the field, if he walks at rate of 1.5m per second?

    asked on February 25, 2016
  7. physics

    a stone of mass 50g is being rotated in a circle of radius 50cm with a uniform speed of 2m/s.what is thje accelerationof the stone?

    asked on April 29, 2013
  8. linear equations in one variable

    I have a total of ₹300 in coins of denomination ₹1,₹2 and ₹5.The number of ₹2 coins is 3 times the number of ₹5 coins.The total number of coins is 160.How many coins of each denominations are with me?

    asked on April 7, 2016
  9. maths --plse help me..

    In a purse there are 20-rupee notes 10-rupee notes and 5-rupee notes. the number of 5-rupee notes exceeds two times the 10-rupee notes by one. the 20-rupee notes are 5 less than the 10-rupee notes. if the total value of the money in the purse is Rs185 find

    asked on December 11, 2012
  10. Mathematics

    Fill in the blanks follows 80, 70, 61, 53, 46, 40, ....

    asked on May 1, 2008
  11. maths --plse help me..


    asked on December 12, 2012
  12. physics

    The potential difference applied to an X-ray tube is 5 kV and the current through it is 3.2 mA. Then the number of electrons striking the target per second and speed at which they strike?

    asked on April 7, 2011
  13. math

    find the number of seat in a theater containing 30 rows if the first row has 14 seats and each row after that has 2 more seats than the previous row

    asked on January 5, 2013
  14. statistics/probability

    give a brief note of the measures of central tendency together with their merits and demerits. which is the best measure of central tendency and why?

    asked on October 29, 2010
  15. social studies

    describe the impact of colonization through policies of the colonizers-steps taken for the development of these communities and impact of colonization on their development in the 18th and 19th centuries

    asked on June 24, 2008
  16. s.k.d.a.v

    Two forces act an angle of 120degre.The bigger force is of 40N and the resultant is perpendicular to the smaller one.Find the smaller force.

    asked on September 25, 2015
  17. elements of Desgn

    What is meant by visual language

    asked on September 27, 2008
  18. linear equation in one variables

    The organisers of an essay competition decide that a winner in the competition gets a prize of Rs 100 and a participant who does not win gets a prize of Rs 25. The total prize money distributed is Rs 3,000. Find the number of winners, if the total number

    asked on April 8, 2016
  19. Math

    Baichung's dather is 26 years younger than Baichung's grandfather and 29 years older than Baichung.The sum of the ages of all the three is 135 years.What is the age of each one of them?

    asked on April 7, 2016
  20. Maths

    The length and breadth of a rectangle are in the ration 8:5. The length is 10.5 centimeters more than the breadth. What are the length and breads of the rectangle? Kindly give steps also.

    asked on July 14, 2011
  21. lpu collage

    An urn contains 7 red and 3 white marbles. Three marbles are drawn from the urn one after another. Find the probability that first two are red and third is white if, a) Marbles drawn are replaced after every draw. b) Marbles drawn are not replaced after

    asked on January 21, 2013
  22. Physics

    Two things infinite sheets have uniform surface density of charge+5 and _5 .electric field in space between two sheets is

    asked on July 2, 2017
  23. english

    Which one is correct? 1) The distance between New Delhi to Mumbai is 600kms. 2) The distance between New Delhi and Mumbai is 600kms.

    asked on September 10, 2011
  24. statistics/probability

    QUESTION- machines are used to pack sugar into packets supposedly containing 1.20kg each.on testing a large number of packets over a long perodof time ,it was found that the mean weight of the packets was 1.24kg and the standard deviation was 0.04kg. a

    asked on October 29, 2010
  25. math

    log10x+log4x=2. Find x value

    asked on April 24, 2017
  26. linear equation in one variables

    Sum of the digits of a two- digit number is 9. When we interchange the digits, it is found that the resulting new number is greater than the original number by 27. What is the two- digit number?

    asked on April 8, 2016
  27. math

    a monkey climb a tree first 1 minutes 3 meter and then next 1 minutes he slips 1 meter. so 3 minutes he take to end the climb hight of tree

    asked on October 6, 2017
  28. physics

    a stone of mass 50g is being rotated in a circle of radius 50cm with a uniform speed of 2m/s.what is thje accelerationof the stone?

    asked on April 29, 2013
  29. Arts

    Who is first women minister in Rajasthan

    asked on May 1, 2008
  30. math

    what is the surface area of cardboard box? l= 4cm w= 5cm h=10cm

    asked on June 9, 2016
  31. math

    One of the two digits of a two digit number is three times the other digit. If you interchange the digits of this two- digit number and add the resulting number to the original number, you get 88. What is the original number?

    asked on April 8, 2016
  32. GYAN

    a base ball team has lost games and has won 13 games. WHAT PER CENT OF THE GAMES PLAYED DID THEY WIN? HOW CAN SOLVE

    asked on February 9, 2016
  33. physics

    A patialy moves along half the circumference of a circle of 1 meter radius. Calculate the work done if the force at any point inclined at 60o to the tangent at that point has 5 New tones magnitude

    asked on July 10, 2012
  34. Math algebra


    asked on September 21, 2016
  35. math

    The sum of all digit is 21 none of my digit are same.i am the smallest 7 digit number made of these digit who I am?

    asked on September 3, 2016
  36. statistics/probability

    explain the purpose of fabulous presentation of statistical data

    asked on October 29, 2010
  37. statis

    why it is necessary to summarise the data distribution?explain the approaches available to summarise the data distribution.

    asked on October 29, 2010
  1. math


    posted on December 29, 2016
  2. Chemistry


    posted on December 17, 2016
  3. Math/Fractions

    Male + Female = 3 5/8 M + F = 29/8 (Normalized 3 5/8 to 29/8) Male = Female + 5/8 M = F+5/8 Male which is 5/8 times Female plus Female is equal to 29/8 (F+5/8)+F=29/8 2F=29/8-5/8 2F=24/8 2F=3 F=3/2 F=1 1/2 So female weight is 1 1/2 Male weight = Female +

    posted on February 11, 2016
  4. english

    Thank for ur immediate response.

    posted on September 11, 2011