Quantitative Aptitude - Arithmetic Ability Questions

A man spends 15% of his income. If his expenditure is Rs. 75, his income (in rupees) is:

A shopkeeper marks up his wares by 60% and offers 25% discount. What will be the selling price (in Rs) if the cost price is Rs 1600?

If 5/2 - (6/5)(x - 15/2) = -x/5, then what is the value of x?

What is the value of Cot 45° - (1/√3)Cosec 60°?

The sum of 4x + 3y ­ 7z, x ­ y ­ z and ­2x ­ 3y + 4z is

The price of a Television is Rs.14000 inclusive of VAT. If the rate of VAT is 12%, find the basic price of the Television.

If 2(5x - ­4) -­ 2 < 2x ­- 1 < 4x - ­2; then the value of x is

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔADE is 8 cm sq, what is the area (in sq cm) of quadrilateral BDEC?