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 7/12 11/12 19/12 17/12 7/12 11/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 6489 3892 2883 2893 6489 3892 2883 2893 ANSWER DOWNLOAD EXAMIANS APP
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 110 74 85 93 110 74 85 93 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
Number System On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is: 12 13 10 11 12 13 10 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Clearly, (2272 - 875) = 1397, is exactly divisible by N.Now. 1397 = 11 * 127The required 3-digit number is 127, the sum of whose digit is 10.
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 12 8 18 16 12 8 18 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
Number System What is the value of ? in the following equations ? 72/? = ?/50 100 40 60 80 100 40 60 80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 72 x 50= (6 x 6 x 2) x (5 x 5 x 2)= (6 x 5 x 2)² = (60)²∴ ? = 60
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