Number System 486+32×25—59=? 528 596 582 567 528 596 582 567 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
Number System The difference between 72% of a number and 49% of the same number is 575. What is 9% of that number ? 225 245 295 275 225 245 295 275 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x.Therefore, 72% of x - 49% of x = 575Therefore, (72 - 49)% of x = 575Therefore, 9% of x = 575/23 x 9 = 225
Number System If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their square is: 180 12 28 160 180 12 28 160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, x + y = 20 and x - y = 8x2 - y2 = (x + y)(x - y) = 20 * 8 = 160.
Number System 217 * 217 + 183 * 183 = ? 80698 81268 79698 80578 80698 81268 79698 80578 ANSWER DOWNLOAD EXAMIANS APP
Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 750 725 775 640 750 725 775 640 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
Number System 65% of 320+?=686 479 478 480 481 479 478 480 481 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
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