Quantitative Aptitude - Arithmetic Ability Questions

The cash difference between the selling price of an article at a profit of 2% and 18% is Rs. 3. The ratio of two selling prices is

What is the simplified value of (cos4 A – sin4 A)?

Findout the odd word/letters/number/number pair from the given alternatives.

If the side of a square is increased by 20%, then what will be the percentage increase in its perimeter?

In what time(in years) will Rs. 8000 amount to Rs. 9261 at 5% per annum, compounded annually?

There is 40% increase in an amount in 5 years at simple interest. What will be the compound interest of Rs. 25000 after 3 years at the same rate?

If a + b = 4 and ab = -5, then what is the value of a3 + b3?

Product of three consecutive odd numbers is 1287. What is the largest of the three numbers?