Question
A bag contains rupee, 50 paise, 25 paise and 10 paise
coins in the proportion 1:3:5:7. If the total amount is ` 22.25, find the number of coins of each kind:Solution
Let, x be the common multiple. 1 rupee coins = x 50 paise coins = 3x 25 paise coins = 5x 10 paise coins = 7x According to the question, => (100 × x) + (50 × 3x) + (25 × 5x) + (10 × 7x) = 22.25 × 100 => 100x + 150x + 125x + 70x = 2225 => 445x = 2225 => x = 5 Therefore, the number of, 1 rupee coins = 5 50 paise coins = 15 25 paise coins = 25 10 paise coins = 35
What was the primary focus of the Ministry of Heavy Industries' recent MOU with IIT Roorkee?
Which exercise fosters cross-sectoral discussions among heads of state and ministers on geopolitics and geo-economics? Â
What new financial product did Airtel Payments Bank introduce with NPCI and RuPay?
What agricultural practice involves the integration of trees and shrubs into farm landscapes?
With reference to Uttarakhand state, which one is not correctly matched?
Which committee is responsible for ensuring moral and ethical conduct in the Lok Sabha?
Which of the following strait separated Sri Lanka from India?
In which language Ibnbatuta has written travelogue ‘Rihla’?
Competition Act 2002 is the replacement of which of the following Act?
Which of the following types of crops are sown after the end of the monsoon season?
