HCF of 144 and 198 is

The median and mode respectively of a frequency distribution are 26 and 29. Then its mean is

In Fig. 1, on a circle of radius 7 cm, tangent PT is draw from. a point P such that PT= 24 cm. If O is the centre of the circle, then the length of PR is

225 can be expressed as

A. 5 × 3²

B. 5² × 3

C. 5² × 3²

D. 5³ × 3

The probability that a number selected at random from the numbers 1,2,3,……15 is a multiple of 4 is