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
Ques:- The sum of all the prime numbers from 1 to 20 is
A. 75
B. 76
C. 77
D. 78
Ques:- 12% of 5000 = ?
A. 600
B. 620
C. 680
D. 720