Number System What least number must be subtracted from 2641 so that the remainder left, when divided by 10,15 and 25, is 7 in each case ? 94 84 81 87 94 84 81 87 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP LCM of 10, 15, 25 = 150When we drive 2641 by 150 the remainder is 91.But the remainder should be 7.So, the number to be subtracted from 2641 is 91 - 7 = 84.
Number System 35%of ?=242 693 394 487 542 693 394 487 542 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 693
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 140 180 240 160 140 180 240 160 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 43983 70983 43883 43893 43983 70983 43883 43893 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
Number System The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? 188 245 162 141 188 245 162 141 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.45% of x - 18% of x = 145.8∴ x/100 (45 - 18) = 145.8∴ x = 145.8 x 100/27 = 540∴ 30% of 540 = 540 x 30/100 = 162
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