Quantitative Aptitude - Arithmetic Ability Questions

A square playground measures 1127.6164 sq.m. If a man walks 2 9/20 m a minute, the time taken by him to walk one round around it is approximately.

If D and E are points on the sides AB and AC respectively of a triangle ABC such that DE||BC. If AD = x cm, DB = (x – 3) cm, AE = (x + 3) cm and EC= (x – 2) cm, then what is the value (in cm) of x?

The perimeter and the breadth of a rectangle are 44 cm and 10 cm respectively. Find its area (in cm2).

Samit was given some money to take care of his travel during a 6-day sales drive he had to undertake. However, he had to increase his stay by another 4 days and as a result his average daily travel allowance went down by Rs. 56. What was the amount that was sanctioned to him in the beginning?

Of the 3 numbers whose average is 40, the first is 1/3 rd the sum of other 2. What is the first number?

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?

If Sin4A - Cos4A = 1 then (A/2) in degrees is 0° < A ≤ 90°

When a number is increased by 34, it becomes 117% of itself. What is the number?