Number System If a number is subtracted from its square we get 272. Find the number? 14 24 22 17 14 24 22 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17
Number System 432+2170+35=? 678 494 523 729 678 494 523 729 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 222 210 234 204 222 210 234 204 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System 217 * 217 + 183 * 183 = ? 79698 80698 80578 81268 79698 80698 80578 81268 ANSWER DOWNLOAD EXAMIANS APP
Number System What is 432 times 119 ? 51408 52408 50408 53408 51408 52408 50408 53408 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. 432 x 119 = 51408
Number System If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? 6/7 3/5 13/25 12/25 6/7 3/5 13/25 12/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25