
Ques:- Find out the wrong number in a given series.
644, 328, 164, 84, 44, 24, 14
644, 328, 164, 84, 44, 24, 14
A. 44
B. 84
C. 164
D. 328
Ques:- What percentage of numbers from 1 to 70 have squares that end in the digit 1?
A. 1
B. 14
C. 20
D. 21