Number System Find the least value of 3x + 4y if x2y3 = 6. 7 3 6 10 7 3 6 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 91 75 89 35 91 75 89 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
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 ? 87 84 81 94 87 84 81 94 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 The sum of three consecutive multiples of 3 is 72. What is the largest number? 24 21 36 27 24 21 36 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1300 1240 1260 1280 1300 1240 1260 1280 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System (95.6x 910.3) ÷ 92.56256 = 9? 15.54 14.44 13.34 12.24 15.54 14.44 13.34 12.24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
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