Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 18 17 15 16 18 17 15 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
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 ? 1/9 2/7 7/5 3/4 1/9 2/7 7/5 3/4 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 Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 65 67 61 75 65 67 61 75 ANSWER DOWNLOAD EXAMIANS APP
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 20, 25 30, 25 21, 26 15, 20 20, 25 30, 25 21, 26 15, 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.
Number System Which choice provides the answer : If 2 + 3 = 10, 6 + 5 = 66, 7 + 2 = 63, 9 + 7 = 144 then, 8 + 4 = ? 88 102 114 96 88 102 114 96 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 96
Number System What is the difference between the local values of 3 in the number 53403? 3030 2997 3003 0 3030 2997 3003 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
EXAMIANS