A 160 meter long train crosses a man standing on the platform in 8 sec. What is the speed of the train?
Options:
(A) 96 kmph
(B) 94 kmph
(C) 92 kmph
(D) 86 kmph
(E) 72 kmph
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S = 160/8 * 18/5 = 72 kmph So the answer is: (E).
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The price of a T.V. set worth Rs. 40000 is to be paid in 20 installments of Rs. 1000 each. If the rate of interest be 6% per annum, and the first installment be paid at the time of purchase, then the value of the last installment covering the interest as well will be?
Options:
(A) 22678
(B) 26699
(C) 26788
(D) 19000
(E) 39000
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Money paid in cash = Rs. 1000
Balance payment = (40000 - 1000) = Rs. 39000 So the answer is: (E).
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John left home and drove at the rate of 45 mph for 2 hours. He stopped for lunch then drove for another 3 hours at the rate of 50 mph to reach his destination. How many miles did John drive?
Options:
(A) 235 miles.
(B) 245 miles.
(C) 240 miles.
(D) 265 miles.
(E) 275 miles.
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The total distance D traveled by John is given by
D = 45 * 2 + 3 * 50 = 240 miles. So the answer is: (C).
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