The number of different mastrices which can be formed using 12 different real numbers is (A) `6(12)!` (B) `3(12)!` (C) `2(10)!` (D) `4(10)!|`

The median of first 10 prime numbers is (a) 11 (b) 12 (c) 13 (d) 14

Number of different striaght lines that cn be formed by joining 12 different points on a plane of which 4 are collinear is

The number of positive numbers of not more than 10 digits formed by using 0,1,2 and 3 is (A) 18 (B) 24 (C) 4^10, 3^10 (D) 4^10-1

Find the number of ways in which 12 different beads can be arranged to form a necklace.

Two numbers are in the ratio 5 : 8 and their difference is 12 . find the number.

Number of ways in which 12 different things can be distributed in 3 groups, is

The number of ways in which 12 different objects can be divided into three groups each containing 4 objects is (i) ((12!))/((4!)^(3)(!3)) (ii) ((12!))/((4!)^(3)) (iii) ((12!))/((4!)) (iv) none

The number of ways of selecting two numbers from the set {1,2,……………12} whose sun is divisible by 3 is (A) 66 (B) 16 (C) 6 (D) 22

There are three copies each of four different books. The number of ways in which they can be arranged in a shelf is. a. (12 !)/((3!)^4) b. (12 !)/((4!)^3) c. (21 !)/((3!)^4 4!) d. (12 !)/((4!)^3 3!)

If the mean of observations is 12 and the sum of the observations is 132, then the value of number of terms is (a) 9 (b) 10 (c)11 (d) 12