Number System The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number? 59 39 49 69 59 39 49 69 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System 1089/? = ?/1296 1188 1348 1082 1278 1188 1348 1082 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 450% of a number is 4725. What is 82% of that number ? 871 841 861 851 871 841 861 851 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861
Number System 384×12×2=? 8465 7487 6123 9216 8465 7487 6123 9216 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 449 576 321 241 449 576 321 241 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System If 70% of an equal to 40% of b, then ratio between a and b is? 7: 11 4: 7 7: 4 None 7: 11 4: 7 7: 4 None ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7