`18!+19!`

Mahabharata war lasted for __ days. A. 17 B. 18 C. 19 D. 21

Insert the missing character marked as '?' A. 15 B. 18 C. 19 D. 20

Two numbers x backslash and y are in the ratio 5:7 and their sum is 36. Then x backslash is 12 b.15 c.18 d.19

The number of digits 4^(9)xx5^(17), when expressed in usual form is a.16b.17c.18d .19

Find the fourth proportional to 3.6,6.9 and 11.4 A.20.3 B.18.9 C.19.6 D.21.9

Find the possible orders for matrices A and B if they have 18 and 19 elements respectively.

{:(18,11,19),(12,13,16),(36,4,?):}

Find the mean of the following numbes: 20, 18, 16,25,19,22,18,16,23,14

Find the mode of the data 15,14,19,20,14,15,16,14,15,18,14,19.

Find the range and mode of the data 17,18,28,19,16,18,17,29,18 A. 12 and 18 B. 13 and 18 C. 12 and 17 D. 11 and 17