Number System Twenty times a positive integer is less than its square by 96. What is the integer? 24 Cannot be determined 30 20 24 Cannot be determined 30 20 ANSWER DOWNLOAD EXAMIANS APP
Number System Which choice provides the answer in the following : If 2 * 3 = 36, 5 * 4 = 400, 6 * 2 = 144, 3 * 3 = 81; then, 5 * 5 = ? 425 625 325 525 425 625 325 525 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 625
Number System 1089/? = ?/1296 1348 1082 1188 1278 1348 1082 1188 1278 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 A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? 8 3.5 6 None of these 8 3.5 6 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
Number System If the following fractions 7/6, 6/7, 5/3, 8/13 and 6/5 are arranged in descending order, which will be the last in the series? 6/13 7/13 9/13 8/13 6/13 7/13 9/13 8/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/6 = 1.166, 6/7 = 0.857,5/3 = 1.66,8/13 = 0.615,6/5 = 1.2Therefore, 5/3 > 6/5 > 7/6 > 6/7 > 8/13
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