by shivamtripathi22 | Jul 8, 2025 | Uncategorized
11. The price of a commodity rises from Rs. 10 per kg to 12.5 per kg. If the expenditure can not increase then find the percentage of reduction in consumption.Sol:% increase in price = (frac{{12.5 – 10}}{{10}} times 100)=...
by shivamtripathi22 | Jul 7, 2025 | Uncategorized
21. In a class, the ratio of number of girls to boys is 1:2. If the average weight of boys is 55 kg and the average weight of girls and boys is 50 kg then find the average weight of...
by shivamtripathi22 | Jul 7, 2025 | Uncategorized
11. In two alloys A and B the ratio of zic to tin is 5:2 and 3:4 respectively. 7kg of alloy A and 21kg of the alloy B are mixed together to form a new alloy. What will be the ratio of zinc and tin in the new alloy...
by shivamtripathi22 | Jul 7, 2025 | Uncategorized
1. 15 litres of a mixture of milk and water in the ratio 2:1, the amount of milk added to the mixture so as to have milk and water in the ratio 5:2 ?...
by shivamtripathi22 | Jul 7, 2025 | Uncategorized
Previous Topic Next Topic Exercise Other Topics ▾ Percentage Mixture & Alligation Ratio & Proportion Races & Circular Motion Partnership & Share Average Profit & Loss LCM & HCF Simple Interest Compound Interest Time and Work Wages Pipe & Cistern Time Speed & Distance...
