Ex 2.2, 5

Last updated at May 3, 2026 by

Slide27.JPG

Slide28.JPG

Remove Ads Share on WhatsApp

Transcript

Ex 2.2, 5 Ruby has 3 times as many two-rupee coins as she has five rupee- coins. If she has a total ₹88, how many coins does she have of each type? Let the Number of ₹ 5 coin = x Given that, Number of 2 rupees coin is 3 times as number of 5 rupee coins Number of Rs 2 coins = 3x Number of coins Total Amount Rs 2 Coin 3x2 × 3x = 6x Rs 5 Coin x 5 × x = 5x Total88Given, Total amount Ruby has = ₹ 88 Amount in ₹ 2 coins + Amount in ₹ 5 coins = 88 6x + 5x = 88 11x = 88 x = 88/11 x = 8 Therefore, Number of ₹ 5 coins = x = 8 Number of ₹ 2 coins = 3x = 3 × 8 = 24

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.