Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? None of these 6 8 3.5 None of these 6 8 3.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 160 240 140 180 160 240 140 180 ANSWER DOWNLOAD EXAMIANS APP
Number System If the fraction 8/6, 7/5, 18/13, 9/5 and 7/11 are arranged in descending order of their values, which one will be the second ? 3/4 1/9 2/7 7/5 3/4 1/9 2/7 7/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8/6 = 1. 333, 7/5 = 1.4, 18/13 = 1.3849/5 = 1.8 and 7/11 = 0.636Therefore, Descending order is 9/5 > 7/5 > 18/13 > 8/6 > 7/11Therefore Second fraction is 7/5
Number System 64% of 2650+40% 0f 320=? 2096 1578 1824 1247 2096 1578 1824 1247 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 61 65 67 75 61 65 67 75 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 16 12 8 18 16 12 8 18 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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