Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 35 75 89 91 35 75 89 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17? 11 10 5 9 11 10 5 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 221 + 43 = 264/17 = 9 (Remainder)
Number System The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? 141 245 188 162 141 245 188 162 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.45% of x - 18% of x = 145.8∴ x/100 (45 - 18) = 145.8∴ x = 145.8 x 100/27 = 540∴ 30% of 540 = 540 x 30/100 = 162
Number System 1089/? = ?/1296 1188 1348 1278 1082 1188 1348 1278 1082 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 The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? 3 1 4 2 3 1 4 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4
Number System 106 * 106 - 94 * 94 = ? 1904 2400 1906 2000 1904 2400 1906 2000 ANSWER DOWNLOAD EXAMIANS APP
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