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    				| 1. | A certain umber when divided by 39 leaves a remainder 20, what is the remainder when the same number be divided by 13? a) 7 b) 11 c) 0 d) 5 | 
| Answer» Correct option: (a) 7 Explanation: Let the number = x Divisor (d) = 39 Remainder (r) = 20 X = (d x q) + r X = (39 x q) + 20 When divided by "13" X = 13 x 3 x q + 13 + 7 X =13 (3q + 1) + 7 Remainder = 7 | |