100 students contributed for a party. Some contributed ₹ 15 each and others
contributed ₹ 25 each. If the total amount collected was ₹2,100, how many
contributed ₹15 each?
b) After 12 years I shall be 3 times as old as I was 4 years ago. Find my present age.
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Answer:
a) 40 students
Step-by-step explanation:
ATQ, 100= x + y
Again ATQ, 15x +25y =Rs.2100
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