Number System Complete the series : 81, 69, 58, 48, 39 ........ 31 28 30 29 31 28 30 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System In a two-digit number, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is: 46 42 26 24 46 42 26 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x. Then, unit's digit = x + 2. Number = 10x + (x + 2) = 11x + 2 Sum of digits = x + (x + 2) = 2x + 2 (11x + 2)(2x + 2) = 144 2x2 + 26x - 140 = 0 (x - 2)(11x + 35) = 0 x = 2Hence, required number = 11x + 2 = 24.
Number System Which is the smallest fractions among the following ? 13/15 15/19 11/13 27/31 13/15 15/19 11/13 27/31 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 11/13 = 0.8461,13/15 = 0.8666,27/31 = 0.87,15/19 = 0.789
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 7/12 11/12 19/12 17/12 7/12 11/12 19/12 17/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System 84 * 29 + 365 = ? - 2801 2801 2436 - 2071 - 2801 2801 2436 - 2071 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP - 84 * (30 - 1) + 365= - (84 * 30) + 84 + 365= - 2520 + 449 = - 2071
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 89 91 75 35 89 91 75 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
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