Number System If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. 97 94 91 86 97 94 91 86 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System If A + B = 30 and AB = 94, What is the value of A² + B² ? 920 625 824 712 920 625 824 712 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (A + B)² = (30)² = 900A² + B² + 2AB = 900Therefore, A² + B² = 900 - 2 x 94 = 900 - 188 = 712
Number System 1089/? = ?/1296 1188 1082 1348 1278 1188 1082 1348 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 Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 180 160 140 240 180 160 140 240 ANSWER DOWNLOAD EXAMIANS APP
Number System What is 846 times 323 ? 273258 293798 264258 283298 273258 293798 264258 283298 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 846 x 323 = 273258
Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1082 1200 1092 1192 1082 1200 1092 1192 ANSWER DOWNLOAD EXAMIANS APP
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