Number System A shopkeeper purchased 200 bulbs for Rs. 10 each. However, 5 bulbs were fused and had to be thrown away. The remaining were sold at Rs. 12 each. What will be percentage profit? 17 14 21 33 17 14 21 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 12
Number System On dividing number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder? 11 5 3 0 11 5 3 0 ANSWER DOWNLOAD EXAMIANS APP
Number System If the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers. 30 25 50 125 30 25 50 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
Number System 486+32×25—59=? 596 567 528 582 596 567 528 582 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
Number System A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is: 24 18 42 81 24 18 42 81 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's and unit's digit be x and 8/x respectively. Then, (10x + 8/x) + 18 = 10 * 8/x + x 9x2 + 18x - 72 = 0 x2 + 2x - 8 = 0 (x + 4)(x - 2) = 0 x = 2 So, ten's digit = 2 and unit's digit = 4. Hence, required number = 24.
Number System 2536+4851—?=3450+313 4567 6784 3624 5243 4567 6784 3624 5243 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
EXAMIANS