Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 5084 6048 6084 6184 5084 6048 6084 6184 ANSWER DOWNLOAD EXAMIANS APP
Number System {(742)² ÷ 36} ÷ 2 = ? 421.5 422.5 423.5 420.5 421.5 422.5 423.5 420.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
Number System 450% of a number is 4725. What is 82% of that number ? 871 861 841 851 871 861 841 851 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861
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 12 20 0 13 12 20 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = (12 * 35) = 420Correct quotient = 420/21 = 20
Number System The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? 3 1 2 4 3 1 2 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4
Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? 8 6 None of these 3.5 8 6 None of these 3.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
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