Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 5084 6048 6184 6084 5084 6048 6184 6084 ANSWER DOWNLOAD EXAMIANS APP
Number System Which choice provides the answer in the following : If 2 * 3 = 36, 5 * 4 = 400, 6 * 2 = 144, 3 * 3 = 81; then, 5 * 5 = ? 525 425 325 625 525 425 325 625 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 625
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 321 241 449 576 321 241 449 576 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 64 88 75 54 64 88 75 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
Number System In a pair of fractions, fraction A is twice the fraction B and the product of two fractions is 2/25. What is the value of fraction A? 1/5 2/5 Data inadequate 1/25 1/5 2/5 Data inadequate 1/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A = 2B => B = 1/2 A, so, AB = 2/25 1/2 A2 = 2/25A2 = 4/25 A = 2/5
Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 289 290/289 289/290 1/289 289 290/289 289/290 1/289 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,ab = 17, a = 1 and b = 17So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289
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