Ques:- Sachin was twice as old as Ajay 10 years back. How old is Ajay today if Sachin will be 40 years old 10 years hence?
A. 10 years
B. 20 years
C. 30 years
D. 50 years
Ques:- How often between 11 o’clock and 12 o’clock are the hands of a clock in integral number of minutes apart?
A. 54 times
B. 55 times
C. 56 times
D. 58 times
Ques:- If n and p are both odd numbers, which of the following is an even number?
A. n + p
B. n + P + 1
C. np + 2
D. np