Number System The average of five consecutive even numbers A, B, C, D and E is 54. What is the product of'B' and 'E' ? 1456 3016 2871 4098 1456 3016 2871 4098 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because, The even numbers are consecutive and their average is 54.∴ The number C will be 54.∴ A = 50, B = 52, D = 56, E = 58B x E = 52 x 58 = 3016
Number System What least number must be subtracted from 2641 so that the remainder left, when divided by 10,15 and 25, is 7 in each case ? 81 94 84 87 81 94 84 87 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP LCM of 10, 15, 25 = 150When we drive 2641 by 150 the remainder is 91.But the remainder should be 7.So, the number to be subtracted from 2641 is 91 - 7 = 84.
Number System A laborer is engaged for 30 days on the condition that he receives Rs.25 for each day he works and is fined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was he absent? 8 9 6 10 8 9 6 10 ANSWER DOWNLOAD EXAMIANS APP
Number System On converting the following base-2 numeral in base ten, 1101101, we get 108 106 107 109 108 106 107 109 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 109
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 45 42.6 54.7 42.1 45 42.6 54.7 42.1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System 4.78% of 1255 + 3.24% of 440=0.5% of ? 13849 11849 14849 12849 13849 11849 14849 12849 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.5 x ?/100 = 4.78 x 1255/100 + 3.24 x 440/100= 59.989 + 14.256∴ ? = 74.245 x 100/0.5 = 14849
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