Number System If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ? 111 131 121 101 111 131 121 101 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore x² + (182)² = 47765Therefore x² = 47765 - (182)2 = 47765 - 33124Therefore x² = 14641, Therefore x = 121
Number System What should come in the place of question mark (?) in the number series given below? 157 160 159 158 157 160 159 158 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 160
Number System 384×12×2=? 9216 8465 7487 6123 9216 8465 7487 6123 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 750 725 775 640 750 725 775 640 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
Number System If the difference between a number and its three-fourth is 18, find the number. 57 72 61 68 57 72 61 68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question,x - 3x/4 = 18= x/4 = 18= x = 4 x 18 = 72
Number System The product of two consecutive position odd numbers is 6723. What is the smaller number? 71 83 74 79 71 83 74 79 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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