Quantitative Aptitude - Arithmetic Ability Questions

If the radius of a circle is increased by 16%, its area increases by

A line passing through the origin perpendicularly cuts the line 2x + 3y = 6 at point M. Find M?

30 men can do a piece of work in 16 days working 8 hrs a day. How many men are needed to complete another work, which is twice the first one, in 10 days working 12 hrs a day?

The following are the steps involved in solving the above problem. Arrange them in sequential order.

In 2 years at simple interest the principal increases by 8%. What will be the compound interest earned (in Rs) on Rs 10 lakhs in 2 years at the same rate?

Points P , Q and R are on a circle such that ∠PQR = 40° and ∠QRP = 60° . Then the subtended angle by arc QR at the centre is

O is the orthocentre of∆ABC, and if ∠BOC = 110° then ∠BAC will be

A wholesaler sells a watch to a retailer at a gain of 20% and the retailer sells it to a customer at a loss of 10%. If the customer pays Rs 874.8, what had it cost the wholesaler?

If a1-2a+b1-2b+c1-2c = 12, then 11-2a+11-2b+11-2c value is