
Ques:- Find out the wrong number in a given series.
3, 7, 15, 39, 63, 127, 255, 511
3, 7, 15, 39, 63, 127, 255, 511
A. 7
B. 15
C. 39
D. 67
Ques:- In a division sum, quotient is 403, divisor is 100 and remainder is 58. Then dividend will be
A. 40318
B. 40358
C. 41318
D. 49158
Ques:- Which country is the largest producer of gold in the world?
A. U.S.A.
B. South Africa
C. Russia
D. Switzerland