Number System Which is the largest fraction among the following ? 21/22 12/13 24/25 21/23 21/22 12/13 24/25 21/23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21/23 = 0.913,12/13 = 0.92323/25 = 0.92, 21/22 = 0.9545, 24/25 = 0.96
Number System The sum of two numbers is 22. Five times one number is equal to 6 times the other. The bigger of the two numbers is: 12 10 16 15 12 10 16 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and (22 - x). Then,5x = 6(22 - x) 11x = 132 => x = 12So, the numbers are 12 and 10.
Number System The square root of 0.0081 is: 0.09 0.009 0.91 0.9 0.09 0.009 0.91 0.9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 17 18 16 15 17 18 16 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
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 19/12 11/12 7/12 17/12 19/12 11/12 7/12 17/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System The product of two consecutive position odd numbers is 6723. What is the smaller number? 74 83 79 71 74 83 79 71 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP n x (n + 2) = 6723= n² + 2n - 6723 = 0= n² + 83n - 81n - 6723 = 0= n(n + 83) - 81 (n + 83) = 0Therefore, (n - 81) (n + 83) = 0Therefore, n = 81, n + 2 = 83
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