The ratio of copper and zinc in a brass alloy is 13 : 7. How much zinc will be there in 100 kg of the alloy?

Which part of the Constitution of India deals with the 'Directive Principles of State Policy'?

Who presided over the 1907 Surat session of the Indian National Congress where the 'Split' occurred?

Who is the incumbent Chief of the Army Staff (COAS) of India as of April 2026?

The ratio of incomes of A and B is 5:4 and the ratio of their expenditures is 3:2. If at the end of the year, each saves ₹1600, then the income of A is:

The ratio of the number of boys and girls in a college is 7:8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?

The value of a diamond is proportional to the square of its weight. If a diamond worth ₹64,000 is broken into two pieces in the ratio 3:5, what is the loss incurred?

The ratio of the price of two houses A and B was 4:5 last year. This year, the price of A increased by 25% and that of B by ₹50,000. The new ratio of their prices is 9:10. What was the price of house A last year?

If 10% of x's income = 15% of y's income = 20% of z's income. If the sum of their incomes is ₹78,000, find y's income.

If the price of petrol increases by 25%, by what percentage must a user cut their consumption so that their expenditure on petrol remains the same?

A sum of ₹8,000 becomes ₹9,200 in 3 years at simple interest. If the interest rate is increased by 3%, what would be the new amount?

In March 2026, which Indian organization released the 'State of Food Security 2026' report, noting a 15% increase in millets consumption across urban India?

The ratio of students in three classes is 2 : 3 : 5. If 40 students are increased in each class, the ratio changes to 4 : 5 : 7. Find the total number of students originally.

In March 2026, which Indian state became the first to implement a 'Universal Health Insurance' scheme for all its citizens regardless of income?

The prices of two cycles are in the ratio 16 : 23. If the price of the first cycle is increased by 10% and that of the second by ₹477, the ratio becomes 11 : 20. Find the original price of the second cycle.

The ratio of copper and zinc in an alloy is 5 : 4. If 1.25 kg of zinc is added to 11.25 kg of this alloy, find the new ratio of copper to zinc.

Which Pharaoh's tomb, discovered in late 2025, was the first royal find in the Valley of the Kings since Tutankhamun?

Which ecological principle states that no two species can occupy the same niche in the same habitat indefinitely?

Which act of British India introduced the 'Dyarchy' system at the provincial level?

If the price of a product increases by 25%, by how much should it be decreased to return to its original price?