Question

Kevin had a Piggy Bank Box. He had ₹50, ₹10 notes and ₹5 as coins in the box. The total number of notes in the box was 20 and the number of coins was the same as that of the ₹10 notes. If the total amount in the box was ₹650/- Find the number of ₹5 coins and ₹50 notes in the box



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Answer 1

Answer:

Correct option is

A

14, 42

Let no. of fifty paise coins be x and no.of one Rupees coins be y

then x=3y

According to question

0.50×x+1×y=35

⇒0.5x+y=35

⇒0.5×3y+y=35

1.5y+y=35

⇒2.5y=35

⇒y=

25

350

​

⇒y=14

So,

   x=3y

=3×14

=42

Step-by-step explanation:

Answer 2

Answer:

Kevin had a Piggy Bank Box. He had ₹50, ₹10 notes and ₹5 as coins in the box. The total number of notes in the box was 20 and the number of coins was the same as that of the ₹10 notes. If the total amount in the box was ₹650/- Find the number of ₹5 coins and ₹50 notes in the box

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