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 = ? 525 325 425 625 525 325 425 625 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 625
Number System 1089/? = ?/1296 1188 1082 1278 1348 1188 1082 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
Number System 7.8% of 12.5 + 2.5% of 161 = ? 2 9 5 12 2 9 5 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 12.5/100 + 2.5 x 161/100= 0.975 + 4.025= 5
Number System 7.8 x 4.5 x 4.2/0.14 = ? 1053 1087 1032 1012 1053 1087 1032 1012 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 4.5 x 4.2/0.14 = 1053
Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1140 1160 1120 1180 1140 1160 1120 1180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
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