Number System The square root of 0.0081 is: 0.91 0.09 0.9 0.009 0.91 0.09 0.9 0.009 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System The difference between the two digit number and the number obtained by interchanging its digits is 54. The difference between the digits is? 6 Nothing can be said. 1 4 6 Nothing can be said. 1 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) – (10y + x) = 54x – y = 6
Number System 450% of a number is 4725. What is 82% of that number ? 851 871 841 861 851 871 841 861 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 Twenty times a positive integer is less than its square by 96. What is the integer? 30 20 24 Cannot be determined 30 20 24 Cannot be determined ANSWER DOWNLOAD EXAMIANS APP
Number System The difference between a number and its three-fifth is 50. What is the number? 100 125 None of these 75 100 125 None of these 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.
Number System The average of 7 consecutive even numbers A, B, C, D, E, F and G is 36. What is the product of ' C and 'E' ? 1468 1292 1168 1327 1468 1292 1168 1327 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A + B + C + D + E + F + G/7 = 36Therefore, D = 36Therefore, C = 34, E = 38Therefore, Product = 34 x 38 = 1292
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