Question: Which one of the following is the least number of four digits divisible by 71?
Options:
(A) 1006
(B) 1065
(C) 1094
(D) 1056
(E) 1057
Ans: (B)
CoT: 1000/71 = 14 6/71
1000 + 71 6 = 1065
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Question: Every year an amount increases by 1/8th of itself. How much will it be after two years if its present value is Rs.64000?
Options:
(A) Rs.81000
(B) Rs.80000
(C) Rs.75000
(D) Rs.64000
(E) Rs.68000
Ans: (A)
CoT: 64000* 9/8 * 9/8 = 81000
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Question: Which of the options is a two-digit number, which has a unit's digit that exceeds its ten's digit by 3 and the product of the given number and the sum of its digits is equal to 175.
Options:
(A) 25
(B) 36
(C) 47
(D) 52
(E) 63
Ans: (A)
CoT: Using the elimination method the option that fits this description is 25
5-2 = 3 (unit's digit that exceeds its ten's digit by 3)
25*7 = 175 (the product of the given number and the sum of its digits is equal to 175)
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