Quantitative Aptitude - Arithmetic Ability Questions

What is the value of (cosecA - cotA) / (secA + tanA)?

A shopkeeper marks his goods 40% above the cost price and allows a discount of 25% on it. His gain % is

What is the area (in sq cm) of a circle whose circumference is 22 cm?

What is the reflection of the point (2, -3.5) in the y-axis?

If the perimeter of a semicircle is 36 cm, then find its area (in cm2).

The ratio of incomes of C and D is 3 : 2. Ratio of income of D and E is 5 : 4. If one-third of C’s income is Rs 4000 more than the half of E’s income, then what is the D’s income (in Rs)?

A train 110 metres long is running with a speed of 60 kmph . In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going ?

Find the simple interest on Rs. 50 for 6 months at the rate of 10 paise per rupee per month.