A man's annual income has increased by Rs. 5 lakhs but the tax on income that he has to pay has reduced from 12 % to 10 %. He now pays Rs. 10,000 more income tax. What is his increased income (in Rs. lakhs)? 

At 30% discount the selling price of an article is Rs 1050. What is the selling price (in Rs) if the discount is 15%?

If the area of a circle inscribed in a square is 9π $$ {}\ cm^2 $$, then the area of the square is

M, P and Q together started a business. M invested ₹ 6, 500 for 6 months, P invested ₹ 8,400 for 5 months and Q invested ₹ 10,000 for 3 months. M is working member for which he gets 5 % of total profit extra. If the total gain is  7,400 , then Q's share is : 

Which is the largest 3 digit number that is exactly divisible by 15, 25 and 30?

 A work can be completed by P and Q in 12 and 16 days respectively. With the help of R they can complete the work in 6 days and earned R. 3696. Then find the share of R. 

If the angles of a triangle are in the ratio of 1:4:7, then find the ratio of the greatest angle to the smallest angle.

If ∆ABC is an isosceles triangle with ∠C = 90° and AC = 5 cm then AB is :