What is the equation of the line passing through the point (0,­4) and making an angle of ­45° with the positive x­axis?

The first and last terms of an arithmetic progression are 23 and ­42. What is the sum of the series if it has 14 terms?

Abhinav is 2 times as good a workman as Balwant and therefore is able to finish a job in 36 days less than Balwant. Working together, they can do it in

If 6A = 7B = 5C; find A : B : C

­ A wooden bowl is in shape of a hollow hemisphere of internal radius 8 cm and thickness 1 cm. Find the total surface area of the bowl?

20% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?

If 1/√(1+tan2A) = x, then value of x is

The price of an article is discounted by 25%, to restore to its original value, the new price must be increased by