A pole 23 m long reaches a window which is 3 m above the ground on one side of a street. Keeping its foot at the same point, the pole is turned to the other side of the street to reach a window 4 is m high. What is the width (in m) of the street? 

Let x be the greatest number which when divides 955, 1027, 1075, the remainder in each case is the same. Which of the following is NOT a factor of x?

Direction: What value will come in place of the question mark (?) in the following question?

8, 17, 53, ?, 1079, 6479

If 5x + 5 > 2 + 2x and 5x + 3 ≤ 4x + 5; then x can take which of the following values?

Babulal can do a work in 36 days while Rajesh can do the same in 48 days. If Babulal  work for ‘x’ days while Rajesh work for ‘x+2’ days then one-third of the work is complete. Find the value of x.

In a proportion, the 1^st , 2^nd and 4^th  terms are 51, 68 and 108, respectively. What is the 3^rd term?

The mode of the following data is __________.

13,15,31,12,27,13,27,30,27,28 and16

In ΔABC, if G is the centroid and AD is a median with length 9 cm, then the length of AG is: