Number System Pick the wrong number from the given number series. 3,4,10,33,135,685,4116 135 685 33 10 135 685 33 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The correct number is 136.3 x 1 + 1 = 44 x 2 + 2 = 1010 x 3 + 3 = 3333 x 4 + 4 = 136136 x 5 + 5 = 685685 x 6 + 6 = 4116
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 750 550 850 650 750 550 850 650 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
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 ? 840 720 780 660 840 720 780 660 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
Number System What number should replace both the question marks (?) in the following question ? 83 85 82 84 83 85 82 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 48619 47719 47649 47619 48619 47719 47649 47619 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
Number System If 70% of an equal to 40% of b, then ratio between a and b is? 7: 11 4: 7 None 7: 4 7: 11 4: 7 None 7: 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
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