Quantitative Aptitude - Arithmetic Ability Questions

If sinθ + cosθ = 1, then the sinθ cosθ is equal to

If Tan A = 15/8 and Tan B = 7/24, then Cos(A - B) = ?

The perimeter of a square is 30 cm. Find its area (in cm²).

If the length of one side and the diagonal of a rectangle are 5 cm and 13 cm respectively, then find its perimeter (in cm).

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

If the interest is compounded half-yearly, then what will be the compound interest (in Rs) on a sum of Rs 10000 for 1 year at the rate of 10% per annum?

What is the HCF (highest common factor) of 77 and 275?

The diameter of a circle is equal to the side of the square. What is the area of the square if the area of the circle is 49π sq cm?