Number System What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 6893 693 6993 6093 6893 693 6993 6093 ANSWER DOWNLOAD EXAMIANS APP
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 116 118 112 114 116 118 112 114 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System If the sum of four consecutive numbers is 370, which the following is the third lowest number among them 91 89 90 92 91 89 90 92 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four consecutive numbers be x, (x + 1), (x + 2), (x + 3) thenx + (x + 1) + (x + 2) + (x + 3) = 370= 4x + 6 = 370∴ x = 364/4 = 91∴ third lowest number among them = x + 1= 91 + 1 = 92
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' ? 1168 1468 1327 1292 1168 1468 1327 1292 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
Number System When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number? 103 101 97 99 103 101 97 99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.
Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction 19/12 7/12 11/12 17/12 19/12 7/12 11/12 17/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
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