Quantitative Aptitude - Arithmetic Ability Questions

By increasing the price of entry ticket to a fair in the ratio 17:19, the number of visitors to the fair has decreased in the ratio 11:10. In what ratio has the total collection increased or decreased?

If -3/2 + (2/3)(3x + 9) = x/2, then what is the value of x?

If the amount received at the end of 2nd and 3rd year at compound Interest on a certain Principal is Rs 9,600 and Rs 10,272 respectively, what is the rate of interest (in %)?

What is the compound interest on Rs. 48,000 for 2 years at 20% p.a., if interest is compounded annually?

If 3a – (3/a) – 3 = 0, then what is the value of a3 – (1/a3) + 2?

What is the value of (cos45° + 1/3) ?

Compute : 1112 / 139 - 5

If x – y – √18 = –1 and x + y – 3√2 = 1, then what is the value of 12xy(x2 – y2)?