Ques:- Find out the wrong number in the series:
64, 71, 80, 91, 104, 119, 135, 155
64, 71, 80, 91, 104, 119, 135, 155
A. 71
B. 80
C. 104
D. 135
Ques:- Which of the following is always odd?
A. Sum of two odd numbers
B. Product of two odd numbers
C. Difference of two odd numbers
D. None of these
Ques:- Two years ago a man was 6 times as old as his son. After 18 years, he will be twice as old as his son. Their present ages ( in years) are
A. 31, 7
B. 32, 7
C. 34, 9
D. 36, 11