Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1192 1092 1082 1200 1192 1092 1082 1200 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 16 12 18 8 16 12 18 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
Number System If 70% of an equal to 40% of b, then ratio between a and b is? 4: 7 7: 4 7: 11 None 4: 7 7: 4 7: 11 None ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 10 11 8 9 10 11 8 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 750 550 850 650 750 550 850 650 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 222 210 204 234 222 210 204 234 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
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