Ques:- Which of the following numbers is exactly divisible by 24?
A. 35718
B. 63810
C. 537804
D. 3125736
Ques:- A prime number N, in the range 10 to 50 remains unchanged when its digits are reversed. The square of such a number is
A. 1936
B. 1089
C. 484
D. 121