Number System A certain number successively divided by 2, 5 and 7 leaves remainders 1, 2 and 3 respectively. When the same number is divided by 70, what is the remainder? 33 35 34 36 33 35 34 36 ANSWER DOWNLOAD EXAMIANS APP
Number System If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? 6/7 3/5 12/25 13/25 6/7 3/5 12/25 13/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 40 20 30 None of these 40 20 30 None of these ANSWER DOWNLOAD EXAMIANS APP
Number System The average of five consecutive even numbers A, B, C, D and E is 42. What is the product of B and D ? 1760 3289 2476 4589 1760 3289 2476 4589 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A + B + C + D + E/5 = 42∴ C = 42, ∴ B = 40, ∴ D = 44∴ B x D = 40 x 44 = 1760
Number System (12)² - (4.4)² - (0.04)² = ? 125.6384 124.6384 129.6384 131.6384 125.6384 124.6384 129.6384 131.6384 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (12)² - (4.4)² - (0.04)²= 144 - 19.36 - 0.0016= 124.64 - 0.0016= 124.6384
Number System On converting the following base-2 numeral in base ten, 1101101, we get 109 107 106 108 109 107 106 108 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 109
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