answer, about 26%
square of 10cm by 10cm equal 100cm2
for it to increase by 60% then the new size is 160cm2
so each side would now be about 12.6cm by 12.6 cm
then each side went from 10 to 12.6cm for an increase of about 26%
Peter and Paul were friends. After six years Paul will be twice as old as Peter was when peter was as old as Paul. If sum of their ages is 36 find the age of Peter?
Which one of the following has the highest standard deviation?a 1,0,1,0,1b 1,1,1,1,1c -1,-1,-1,-1,-1
In a 60 liters of mixture of spirit and water is 7 %. In order to make water 19%, how much water should be added?
Ten boxes are there. Each ball weighs 100 gms. One ball is weighing 90 gms. i) If there are 3 balls (n=3) in each box, how many times will it take to find 90 gms ball? ii) Same question with n=10 iii) Same question with n=9
There are two square rooms. Both are of same height. The second room is 5m longer than the first room. The rate for papering the walls is 10 paisa per square meter. The total cost for papering the rooms is Rs 60 and Rs 80. What is the height of the rooms?
There is a point P on the circle. A and B started running in two constant different speeds. A in Clockwise and B in Anti-clockwise. A meet B First time 500m in Clockwise from P then second time 400m Anti-clockwise from P. B is yet to complete one round, What is the circumference of the circle?
What is 5x - x^2 = 0 ?
What is the sum of all the four digit numbers formed using the digits 0, 1, 2 and 3. None of the two digits should be repeated?
A tree grows only 3/5 as fast as the one beside it. In four years the combined growth of the two trees is eight feet.How much does the shorter tree grow in two years?(a) Less than 2 feet (b) 2feet (c) 2 1/2 feet(d) 3 feet (e) more than 3 feet.
A 5 liter jug contains 4 liters of a salt water solution that is 15 percent salt. If 1.5 liters of the solution spills out of the jug, and the jug is then filled to capacity with water, approximately what percent of the resulting solution in the jug is salt?
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