Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 18 12 16 8 18 12 16 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
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 33 21 17 14 33 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 12
Number System I. 3x2-14x + 8 = 0 II. 2y2 - 1 7 y + 36 = 0 if x > y if x < y if x >= y if x <= y if x > y if x < y if x >= y if x <= y ANSWER EXPLANATION DOWNLOAD EXAMIANS APP l. 3x2 - 12x - 2x + 8 = 0or 3x(x - 4) -2 (x -4) = 0∴ x = 4, 2/3ll. 2y2 - 8y - 9y + 36 = 0or 2y (y - 4) -9 (y - 4) = 0or (2y - 9) (y - 4) = 0∴ y = 4, 9/2
Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 78 75 76 77 78 75 76 77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
Number System 64% of 2650+40% 0f 320=? 1247 2096 1578 1824 1247 2096 1578 1824 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System {3√4913}² = ? 333 289 225 121 333 289 225 121 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (3√4913)² = (17)² = 289
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