B. Pramod has 3 times as many 2 rupee coins as he has 5 rupee coins. If in all he has a total of Rs 77 how many coin does
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Let number of ₹5 coin be x.
so number of ₹2 coin be 3x.
according to statement
5(x) + 2(3x) = 77
5x + 6x = 77
11x = 77
x = 7
so number of ₹5 coins be 7 and number of ₹2 coins are 21.
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