Number System If one third of 3/4 of a number is 21. Then find the number? 84 630 840 63 84 630 840 63 ANSWER DOWNLOAD EXAMIANS APP
Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction 19/12 17/12 11/12 7/12 19/12 17/12 11/12 7/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System If the sum of four consecutive numbers is 370, which the following is the third lowest number among them 89 92 90 91 89 92 90 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four consecutive numbers be x, (x + 1), (x + 2), (x + 3) thenx + (x + 1) + (x + 2) + (x + 3) = 370= 4x + 6 = 370∴ x = 364/4 = 91∴ third lowest number among them = x + 1= 91 + 1 = 92
Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 210 204 222 234 210 204 222 234 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System What is the least number, which is perfect square but contains 2700 as its factor? 5400 10800 2700 1800 5400 10800 2700 1800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1082 1192 1092 1200 1082 1192 1092 1200 ANSWER DOWNLOAD EXAMIANS APP
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