Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 20 22 23 21 20 22 23 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System What least number should be added to 8602 to make it a perfect square ? 41 47 36 51 41 47 36 51 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
Number System Find out the smallest possible number which will be divisible by 1122 as well as 153. 2366 3366 1366 4366 2366 3366 1366 4366 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3366
Number System A shopkeeper purchased 200 bulbs for Rs. 10 each. However, 5 bulbs were fused and had to be thrown away. The remaining were sold at Rs. 12 each. What will be percentage profit? 17 21 14 33 17 21 14 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 12
Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2675 None of these 2875 2725 2675 None of these 2875 2725 ANSWER DOWNLOAD EXAMIANS APP
Number System If the sum of five consecutive even numbers A, B, C, D and E is 130, what is the product of A and E ? 840 780 660 720 840 780 660 720 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive even numbers be A = 2x, B = 2x + 2, C = 2x + 4, D = 2x + 6 and E = 2x + 8= A + B + C + D + E = 130= 10x + 20 = 130∴ x = 130 - 20/10 = 11Therefore, product of A and E= 22 x 30 = 660
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