Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 82 84 83 81 82 84 83 81 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System 432+2170+35=? 678 729 523 494 678 729 523 494 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
Number System 7.98 x 3.75 + 1.28 x 15.5 = ? 49.765 46.765 47.765 48.765 49.765 46.765 47.765 48.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
Number System ?2704 x ?2209=? 3444 1444 2444 4444 3444 1444 2444 4444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2444
Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 55 None of these 30 120 55 None of these 30 120 ANSWER DOWNLOAD EXAMIANS APP
Number System When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number? 99 101 103 97 99 101 103 97 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.
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