Number System A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? 12 7 8 60 12 7 8 60 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12
Number System The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 168 170 169 171 168 170 169 171 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168
Number System The sum of the numbers is 264. If the first number be twice the second and third number be one-third of the first, then the second number is: 72 84 54 48 72 84 54 48 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the second number be x. Then, first number = 2x and third number = 2x/3.2x + x + 2x/3 = 26411x/3 = 264x = 72
Number System 7589 - ? = 3434 1123 4242 4155 11023 1123 4242 4155 11023 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 7589 - x = 3434Then x = 7589 - 3434 = 4155
Number System (1024—263—233)÷(986—764— 156) =? 8 None of these 6 10 8 None of these 6 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
Number System If the following fractions 7/6, 6/7, 5/3, 8/13 and 6/5 are arranged in descending order, which will be the last in the series? 9/13 8/13 7/13 6/13 9/13 8/13 7/13 6/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/6 = 1.166, 6/7 = 0.857,5/3 = 1.66,8/13 = 0.615,6/5 = 1.2Therefore, 5/3 > 6/5 > 7/6 > 6/7 > 8/13
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