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 0 20 13 12 0 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = (12 * 35) = 420Correct quotient = 420/21 = 20
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 576 241 449 321 576 241 449 321 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System The sum of the two digits of a two-digit number is 15 and the difference between the two digits of the two digit number is 3. What is the product of the two digits of the two digit number ? 36 None of these 14 54 36 None of these 14 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10 x + yWhere x > yAccording to the question,x + y = 15 and x - y = 3Solving both the equations,x = 9, y = 6∴ x x y = 9 x 6 = 54
Number System The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? 25.84 24.84 21.84 27.84 25.84 24.84 21.84 27.84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84
Number System 63.602 + 153.756 + 94.754 - 84.321 - 122.204 = ? 141.587 143.587 142.587 140.587 141.587 143.587 142.587 140.587 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 312.112 - 170.525 = 141.587
Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 42 16 36 23 42 16 36 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36