Question

8. )Geeta has only Rs. 1 and Rs. 2 coins
vith her. If the total number of coins that
she has is 50 and the amount of money
with her is Rs 75, then find the number of
Rs.1 and Rs.2 coins she has.
12:10 pm​

Answer 1

Answer:

(d) Let number of ₹ 1 coins = x

and number of ₹ 2 coins = y

Now, by given conditions x+y=50 …(i)

Also, x×1+y×2=75

⇒ x + 2y = 75 …(ii)

On subtracting Eq. (i) from Eq. (ii), we get

(x + 2y) – (x + y) = 75 – 50

⇒ y = 25

When y = 25, then x = 25

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