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 ? 840 660 780 720 840 660 780 720 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
Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction 19/12 7/12 17/12 11/12 19/12 7/12 17/12 11/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 850 650 750 550 850 650 750 550 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System [(18.6 x 4.5) + (7.8 ÷ 0.24)] ÷ 3.2 = ? 36.3125 46.3125 25.3125 26.3125 36.3125 46.3125 25.3125 26.3125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 83.7 + 32.5/3.2 = 116.2/3.2 = 36.3125
Number System 732.96 + 405.38 - 604.08 - 105.44 + 222.86 = ? 631.68 621.68 641.68 651.68 631.68 621.68 641.68 651.68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1361.20 - 709.52 = 651.68
Number System (800 / 64) * (1296 / 36) = ? 460 420 None of these 500 460 420 None of these 500 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
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