q: A 160 meter long train crosses a man standing on the platform in 9 sec. What is the speed of the train?
Options:
(A) 96 kmph
(B) 64 kmph
(C) 52 kmph
(D) 86 kmph
(E) 76 kmph
a: OK... S = 160/9 * 18/5 = 64 kmph
The answer is (B).

q: A, B, C together started a business. A invested Rs.6000 for 5 months B invested Rs.3600 for 6 months and C Rs.7500 for 3 months. If they get a total profit of Rs.7410. Find the share of A?
Options:
(A) 3002
(B) 3000
(C) 3018
(D) 3019
(E) 3012
a: OK... 60*5:36*6:75*3
100: 72: 75
100/247 * 7410 = 3000
The answer is (B).

q: A man buys Rs. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is:
Options:
(A) 12
(B) 10
(C) 14
(D) 25
(E) 15
a:
OK... Dividend Rs 20 = (9/100*20) = 9/5
12 is an income on Rs 100
Rs 9/5 is an income Rs (100/12*9/5) = Rs 15
The answer is (E).