Choose the correct option in place of question mark (?) in the following series:

51, 17, 3, 16, 48, 12, 4, 10, 40, (?), 5, 13, 65.

How many faces and edges are there on one piece of the cake if the cake is cut on exact as marked.

Rehana says, ''The students of my class can be divided exactly into groups of five, as well as groups of six, as well as groups of ten''. The number of children in Rehana's class could be

How much does the box weigh?

The length of a candle after TWO-THIRD OF IT HAS BURNT OUT is shown below. What was the length of the candle originally?

If 15 + 20 = 20 + n, n is equal to

The sum of z and y is equal to 125. If y = 45, which equation can be used to find z?

Ramdin has a buffalo, a dog and a donkey. The donkey's weight is 0.25 times that of the buffalo. The dog weighs 20 kg less than the donkey. If the buffalo weighs 240 kg, the dog's weight is

The LARGEST 3-digit common multiple of 70 and 50 is