25. Three numbers which are co-prime to each other are such that the product of the first two is 119 and that of the last two is 391. What is the sum of the three numbers?
A. 47
B. 43
C. 53
D. 51
26. The product of two numbers is 2028 and their HCF is 13. What are the number of such pairs?
A. 4
B. 3
C. 2
D. 1
27. A train traveling at a speed of 75 mph enters a tunnel 3
(a) 2.5 min
(b) 3 min
(c) 3.2 min
(d) 3.5 min
28. A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
(a) 120 metres
(b) 180 metres
(c) 324
(d) cannot be determined
(e) None of these
29. 5/8 + 1/4 + 7/12 = ?
(A) 35/24
(B) 37/24
(C) 35/26
(D) 31/24
(E) None of these
30. (3584 + 32) - 11 = root ?
(A) 10021
(B) 12001
(C) 10221
(D) 10201
(E) None of these
31. At the rate of
(a) Rs. 796
(b) Rs. 816
(c) Rs. 486
(d) Rs. 956
32. Ram borrows Rs. 10000 for 2 years at 2% p.a simple interest. He immediately lends it to another person at
(a) 225
(b) 625
(c) 150
(d) 167.50
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