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Question: Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B. [A]. 2 : 3 [B]. 1 : 1 [C]. 3 : 4 [D]. 4 : 3…
Question: What percentage of numbers from 1 to 70 have 1 or 9 in the unit’s digit? [A]. 1 [B]. 14 [C]. 20 [D]. 21 Answer: Option C Explanation: Clearly, the numbers which have 1 or 9 in the unit’s digit, have squares that end in the digit 1. Such numbers from 1 to 70…
Question: Rajeev buys good worth Rs. 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax @ 10%. Find the amount he will have to pay for the goods. [A]. Rs. 6876.10 [B]. Rs. 6999.20 [C]. Rs. 6654 [D]. Rs. 7000 Answer: Option A Explanation: Rebate = 6%…