Number System If a number is subtracted from its square we get 272. Find the number? 24 17 14 22 24 17 14 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17
Number System (2560 x 1.4) +(7400 x 0.6) =? 9160 7234 6543 8024 9160 7234 6543 8024 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8024
Number System Look at this series: 1000, 200, 40, ... What number should come next? 24 2 8 14 24 2 8 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is a simple division series. Each number is divided by 5. Rule = (1st number / 5 = 2nd number) (2nd number / 5 = 3rd number)....Now, (1000 / 5 = 200), (200 / 5 = 40), (40 / 5 = 8)...So answer is a = 8.
Number System 1089/? = ?/1296 1278 1188 1082 1348 1278 1188 1082 1348 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188
Number System The product of two consecutive odd numbers is 4623. What is the product of the next two consecutive odd numbers ? 5183 6782 7745 8795 5183 6782 7745 8795 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √4623 = 6767 x 69 = 4623∴ Required product = 71 x 73 = 5183
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 18 16 12 8 18 16 12 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
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