Number System How many of the following numbers are divisible by 132? 264, 396, 462, 792, 968, 2178, 5184, 6336 4 6 5 7 4 6 5 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 132 = 11 * 3 * 4Clearly, 968 is not divisible by 3None of 462 and 2178 is divisible by 4And, 5284 is not divisible by 11Each one of the remaining four numbers is divisible by each one of 4, 3 and 11.So, there are 4 such numbers.
Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 65 23 78 34 65 23 78 34 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System 64% of 2650+40% 0f 320=? 1824 1578 2096 1247 1824 1578 2096 1247 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System If the product of two successive positive integers is 4692, what is the smaller number ? 70 64 68 66 70 64 68 66 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
Number System The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? 188 162 141 245 188 162 141 245 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.45% of x - 18% of x = 145.8∴ x/100 (45 - 18) = 145.8∴ x = 145.8 x 100/27 = 540∴ 30% of 540 = 540 x 30/100 = 162
Number System If the difference between a number and its three fifths is 62, what is the number ? 155 165 175 145 155 165 175 145 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155