
Ques:- Find out the wrong number in the series:
125, 106, 88, 76, 65, 58, 53
125, 106, 88, 76, 65, 58, 53
A. 65
B. 76
C. 88
D. 106
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
Ques:- If the HCF of two numbers is 2 and their LCM is 70, then the numbers are
A. 2, 35
B. 4, 70
C. 6, 70
D. 14, 10