Number System The sum of two numbers is 25 and their difference is 13. Find their product. 315 325 104 114 315 325 104 114 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 If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 54 88 64 75 54 88 64 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
Number System √343 = ? 19 21 18 20 19 21 18 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
Number System The simplest form of 1.5 : 2.5 is : 3 : 5 17 : 19 5 : 7 13 : 11 3 : 5 17 : 19 5 : 7 13 : 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? None of these 6 3.5 8 None of these 6 3.5 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
Number System A certain number successively divided by 2, 5 and 7 leaves remainders 1, 2 and 3 respectively. When the same number is divided by 70, what is the remainder? 34 36 35 33 34 36 35 33 ANSWER DOWNLOAD EXAMIANS APP
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