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Ques:- A man jogs at 6 mph over a certain journey and walks over the same route at 4 mph. What is his average speed for the journey?
A. 2.4 mph
B. 4 mph
C. 4.8 mph
D. 5 mph
E. None of above
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
Ques:- Find out the wrong number in the series:
15, 16, 34, 105, 424, 2124, 12576
15, 16, 34, 105, 424, 2124, 12576
A. 34
B. 105
C. 424
D. 2124
Ques:- Find out the wrong number in the series:
190, 166, 145, 128, 112, 100, 91
190, 166, 145, 128, 112, 100, 91
A. 100
B. 112
C. 128
D. 166
Ques:- The largest natural number by which the product of three consecutive even natural numbers is always divisible by
A. 16
B. 24
C. 48
D. 96