Three pots contain equal mixture of milk and water in the ratio of 4: 1, 5: 2 and 6: 1 respectively. If all the solutions are mixed together. What is the ratio of milk and water in the final solution?

(sec A + tan A – 1) (sec A – tan A+1) =?

The difference between the selling prices of an article at a profit of 15% and at a profit of 10% is Rs.10. The cost price of the article is -

The selling price of an article is Rs. 1920 and the discount given is 4%. The market price of the article is -

16 men can complete a piece of work in 7 days. In how many days will 28 men complete the same work?

Find the average of the following set of numbers.
132, 148, 164, 128, 120, 136

Kuldeep sells an article for ₹ 3240 and earns a profit of 20%. What is the cost price of the article?

The cost of 6 dozen apples and 8 dozen bananas is ₹ 1400. what will be the cost of 15 dozen apples and 20 dozen bananas?