Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 47619 48619 47649 47719 47619 48619 47649 47719 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
Number System Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is 85 74 110 93 85 74 110 93 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1082 1192 1200 1092 1082 1192 1200 1092 ANSWER DOWNLOAD EXAMIANS APP
Number System (12.11)2 + (?)2 = 732.2921 14.2 17.2 24.2 20.2 14.2 17.2 24.2 20.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2
Number System 1256+4813+765=? 6836 6834 6831 6839 6836 6834 6831 6839 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1256+4813+765= 6069+765=6834
Number System Find the least number with which 16200 should be multiplied, to make it a perfect cube. 36 360 45 48 36 360 45 48 ANSWER DOWNLOAD EXAMIANS APP
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