Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 25 23 24 26 25 23 24 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23
Number System In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is: 6890 5336 2568 9865 6890 5336 2568 9865 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5336
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 116 114 112 118 116 114 112 118 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System (95.6x 910.3) ÷ 92.56256 = 9? 15.54 13.34 14.44 12.24 15.54 13.34 14.44 12.24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
Number System 1089/? = ?/1296 1082 1188 1278 1348 1082 1188 1278 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
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