Number System Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999 495 480 485 490 495 480 485 490 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required average score = (450 + 1050 + 12 + 390 + 143 + 286 + 550 + 999) / 8 = 3880 / 8 = 485
Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2506 2607 2527 2517 2506 2607 2527 2517 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 7 5 3 9 7 5 3 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
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? 13 20 0 12 13 20 0 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = (12 * 35) = 420Correct quotient = 420/21 = 20
Number System 1827÷ 36 x ?=162.4 3.2 2.6 4.3 1.9 3.2 2.6 4.3 1.9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
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' ? 2871 4098 3016 1456 2871 4098 3016 1456 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
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