Luis was asked by his teacher to subtract 3 from a number and to divide the result by 9. However, he subtracted 9 from that number and divided the result by 3 to get 26. If he had done it correctly, what answer would he have gotten?
A solid cylinder of radius 2 cm and height 7 cm is melted and re-shaped as a cuboid. If the length and breadth of the cuboid are 11 cm and 2 cm respectively, find the height of the cuboid. (Assume π = 22/7)
Antonia picks a three digit number and subtract it from the same number after reversing order of its digits. If this difference is divided by 99, find the remainder.
A.
1
B.
0
C.
2
D.
Can not be determined without knowing exact number
Merle makes a profit of €40 if she sells a certain number of pencils she has at the price of €2.1 per pencil and incurs a loss of €40 if she sells the same number of pencils of €1.6 per pencil. What should be the selling price of all the pencils in order to make a profit of 15%?
While running late for school, Ali picks up a fruit from the fruit basket that have the following fruits. What is the probability that Ali picked a mango?