Ques:- How many times in a day, are the hands of a clock in straight line but opposite in direction?
A. 20
B. 22
C. 24
D. 48
Ques:- Pointing to Meena, Swarup says, “She is the doughter of my grandfather’s only child”. How is Meena related to Swarup?
A. Cousin
B. Sister
C. Aunt
D. Data inadequate
E. None of these
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