Question

denoted by 25 EXAMPLE 1 On dividing a number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder? a) 0 (b) 3 (C) 5 (d) 11 .​

Answer 1

Answer:

(c) 5

Step-by-step explanation:

Let x be the number and y be the quotient. Then,

x=357xy+39

=(17×21×y)+(17×2)+5

=17×(21y+2)+5)

∴ Required number =5.

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