Quantitative Aptitude - Arithmetic Ability Questions

Sachin lent out Rs 60000 in two parts, first at 4% and the second at 10% interest. The yearly average interest comes out to be 6.4%. What are the amounts (in Rs) that were lent at 4% and 10% respectively?

A sum of Rs. 3000 amounts to Rs. 6000 in two years at compound interest. The interest for four years is

A fraction is greater than its reciprocal by (72)/(77). What is the fraction?

Select the odd number from the given alternatives.

The circumferences of two circles are touching externally. The distance between their centres is 12 cm. The radius of one circle is 7 cm. Find the diameter(in cm) of the other circle.

Let O be the orthocentre of the triangle ABC. If ∠BOC = 150°, Then ∠BAC is

In an equilateral triangle ABC, G is the centroid. Each side of the triangle is 6 cm. The length of AG is

Coefficient of x2 in (x + 9)(6 -­ 4x) is