Number System Find the nearest to 25268 which is exactly divisible by 467? 25208 25308 25218 25228 25208 25308 25218 25228 ANSWER DOWNLOAD EXAMIANS APP
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.
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 112 116 118 114 112 116 118 114 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient? 12 0 13 20 12 0 13 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = (12 * 35) = 420Correct quotient = 420/21 = 20
Number System (1024—263—233)÷(986—764— 156) =? 8 6 None of these 10 8 6 None of these 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 16 18 8 12 16 18 8 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
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