Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 20 21 23 22 20 21 23 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
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: 10 13 12 11 10 13 12 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 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 7/12 11/12 17/12 19/12 7/12 11/12 17/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System In how many different ways can the letters of the word 'DETERMINE' be arranged ? 62480 60480 63480 61480 62480 60480 63480 61480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of arrangements = 9! / 3! Because, E comes 3 times = 60480
Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 7 11 5 3 7 11 5 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 25xy = 144(x- y)2 = (x + y)2 – 4xy(x- y)2 = 625 – 576 => (x – y) = 7
Number System 1089/? = ?/1296 1082 1188 1278 1348 1082 1188 1278 1348 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188
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