For the following questions answer them individually
An alloy contains a mixture of two metals X and Y in the ratio of 2 : 3. The second alloy contains a mixture of the same metals, X and Y, in the ratio 7 3. In what ratio should the first and the second alloys be mixed so as to make a new alloy containing 50% of metal X?
8 years ago, the average age of Rahul's family consisting of 6 members was 35 years. One year ago a new baby was born in this family. What will be the average age of the family four years hence?
On a certain sum of money, the simple interest for 2 years is ₹150 at the rate of 10% per annum. What is the difference between compound interest and simple interest for 2 years if, in the case of compound interest, interest is compounded annually at the rate of 10% per annum?
A work can be completed by 20 men in 50 days. 30 more men join them after 10 days of work. How many days will be saved in completion of the work?
Which Article of the Indian Constitution states that ‘The State shall endeavour to secure for the citizens a uniform civil code throughout the territory of India’?
What is the total stock of money in circulation among the public at a particular point of time called?
