Number System If one-seventh of a number is 55 then 40% of that number = ? 163 171 147 154 163 171 147 154 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x , Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154
Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 75 76 74 73 75 76 74 73 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4= 190= 5x + 10 = 190= 5x = 190 - 10 = 180= x = 180/5 = 36The largest number = 36 + 4 = 40∴ Required sum = 36 + 40 = 76
Number System What is the sum of all even numbers from 1 to 701? 123850 122850 122500 122550 123850 122850 122500 122550 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850
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 78 34 23 65 78 34 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction 17/12 19/12 11/12 7/12 17/12 19/12 11/12 7/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
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? 8/13 9/13 7/13 6/13 8/13 9/13 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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