Quantitative Aptitude - Arithmetic Ability Questions

What is the value of tan 7π/4?

What least number must be subtracted from 3401, so that the sum is completely divisible by 11?

Working together, pipes A and B can fill an empty tank in 10 hours. They worked together for 4 hours and then B stopped and A continued filling the tank till it was full. It took a total of 13 hours to fill the tank. How long would it take A to fill the empty tank alone?

In triangle ABC, ∠ABC = 15 deg. D is a point on BC such that AD = BD. What is the measure of ∠ADC (in degrees)?

The ratio of cost price and selling price 25:26. The percent of profit will be

A person bought an item for Rs. 1500 and sold it at a profit of 12%. What was the selling price of the item?

A sum of money invested for 2 yrs and 9 months at the rate of 8% simple interest per annum became Rs.732 at the end of the period. What was the sum that was initially invested?

The average weight of 30 students in a class is 25 kgs. If the weight of the class teacher is added, the average weight increase by 2 kgs. The weight of the class teacher in kgs is