Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2675 None of these 2875 2725 2675 None of these 2875 2725 ANSWER DOWNLOAD EXAMIANS APP
Number System The peresent age of the father and the son are in the ratio of 8:3. After 12 years the ratio of their ages will be 2:1. What is the sum of the present age of the father and the son ? 66 years 67 years 68 years 69 years 66 years 67 years 68 years 69 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the present age of the father be 'x' and that of the son be 'y'. Then x/y = 8/3∴ 3x = 8y Further, x + 12/y + 12 = 2/1 ∴ x + 12 = 2y + 24 ∴ x - 2y = 12 ......(ii)From eqn (i) and (ii), x = 48, y = 18 ∴ sum = 66 yrs.
Number System 64% of 2650+40% 0f 320=? 1247 1578 1824 2096 1247 1578 1824 2096 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ? 101 121 111 131 101 121 111 131 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore x² + (182)² = 47765Therefore x² = 47765 - (182)2 = 47765 - 33124Therefore x² = 14641, Therefore x = 121
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 16 18 12 8 16 18 12 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 48619 47619 47649 47719 48619 47619 47649 47719 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
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