Number System On dividing number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder? 3 11 0 5 3 11 0 5 ANSWER DOWNLOAD EXAMIANS APP
Number System (4 86%of 6500) ÷ 36 =? 777.5 677.5 877.5 977.5 777.5 677.5 877.5 977.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
Number System 486+32×25—59=? 582 528 596 567 582 528 596 567 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
Number System What is the value of ? in the following equations ? 72/? = ?/50 40 100 80 60 40 100 80 60 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 72 x 50= (6 x 6 x 2) x (5 x 5 x 2)= (6 x 5 x 2)² = (60)²∴ ? = 60
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: 42 24 26 46 42 24 26 46 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 What least number shall be added to 4700 to make it a perfect square ? 61 81 91 71 61 81 91 71 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.
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