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 ? 14 36 54 None of these 14 36 54 None of these 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 What least number should be added to 8602 to make it a perfect square ? 51 36 41 47 51 36 41 47 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
Number System 65 x 288 ÷ 52 = 1.8 x ? 190 200 210 180 190 200 210 180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
Number System What will be the next number in the following number series ? 182 177 162 191 182 177 162 191 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 321 241 576 449 321 241 576 449 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System What number should replace both the question marks (?) in the following question ? 83 85 82 84 83 85 82 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
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