Number System What is the value of 8/11 of 5/7 of 96% of 28875 ? 15400 12900 14400 13800 15400 12900 14400 13800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = 8 x 5 x 96 x 28875/11 x 7 x 100 = 14400
Number System In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient? 0 13 12 20 0 13 12 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = (12 * 35) = 420Correct quotient = 420/21 = 20
Number System The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? 25.84 24.84 27.84 21.84 25.84 24.84 27.84 21.84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84
Number System If A + B = 30 and AB = 94, What is the value of A² + B² ? 824 625 712 920 824 625 712 920 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (A + B)² = (30)² = 900A² + B² + 2AB = 900Therefore, A² + B² = 900 - 2 x 94 = 900 - 188 = 712
Number System What number should replace both the question marks (?) in the following question ? 83 84 85 82 83 84 85 82 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System 56.21 +2.36+5.41 —21.4+1.5=? 64.08 34.08 54.08 44.08 64.08 34.08 54.08 44.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
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