Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 103 92 99 95 103 92 99 95 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2508 2504 2520 2510 2508 2504 2520 2510 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System 96% of a number is 19584. What is 56% of that number ? 11224 11524 11424 11324 11224 11524 11424 11324 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question.96% of x = 19584= x = 1958 x 100/96 = 20400∴ 56% of 20400= 20400 x 56/100= 11424
Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 5/12 12/5 25/144 144/25 5/12 12/5 25/144 144/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,2/3 x = 25/216 * 1/xx2 = 25/216 * 3/2 = 25/144 x = 5/12
Number System Find out the smallest possible number which will be divisible by 1122 as well as 153. 3366 1366 4366 2366 3366 1366 4366 2366 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3366
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 118 112 114 116 118 112 114 116 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
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