Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6048 6084 5084 6184 6048 6084 5084 6184 ANSWER DOWNLOAD EXAMIANS APP
Number System (444 x 44 x 4) ÷ 40 ? 1953.6 2053.6 2153.6 1853.6 1953.6 2053.6 2153.6 1853.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 444 x 44 x 4/40 = 1953.6
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 22 20 23 21 22 20 23 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System 3251 + 587 + 369 - ? = 3007 1375 1200 1300 1250 1375 1200 1300 1250 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 8 18 16 12 8 18 16 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
Number System A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is: 42 81 18 24 42 81 18 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's and unit's digit be x and 8/x respectively. Then, (10x + 8/x) + 18 = 10 * 8/x + x 9x2 + 18x - 72 = 0 x2 + 2x - 8 = 0 (x + 4)(x - 2) = 0 x = 2 So, ten's digit = 2 and unit's digit = 4. Hence, required number = 24.
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