Number System The sum of two numbers is 25 and their difference is 13. Find their product. 114 315 325 104 114 315 325 104 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then x + y = 25 and x - y = 13.x = 19; y = 6xy = 19 * 6 = 114
Number System 217 * 217 + 183 * 183 = ? 81268 80578 80698 79698 81268 80578 80698 79698 ANSWER DOWNLOAD EXAMIANS APP
Number System In how many different ways can the letters of the word 'FRUGAL'be arranged ? 720 515 660 556 720 515 660 556 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In FRUGAL there ae six difference letters Therefore, 6 ! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System If the product of two successive positive integers is 4692, what is the smaller number ? 66 70 68 64 66 70 68 64 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
Number System If one-seventh of a number is 55 then 40% of that number = ? 163 147 171 154 163 147 171 154 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 Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 10, 5 12, 9 12, 7 11, 6 10, 5 12, 9 12, 7 11, 6 ANSWER DOWNLOAD EXAMIANS APP
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