Quantitative Aptitude - Arithmetic Ability Questions

The ratio of present ages of Rambha and Sarvesh is 8:5. After 7 years the ratio of their ages will be 5:4. What is Rambha's present age?

A person while buying a dress on sale spends Rs. 45 and saves Rs. 5, what is the percentage of his savings?

What is the reflection of the point (5, -2) in the line y = -1?

If 31% of an electricity bill is deducted, Rs 1794 is still to be paid. How much was the original bill amount?

Veer spends 15% of his monthly income on the house rent and 60% of the rest on household expenditure. If he saves Rs. 2210, what is his monthly income?

What is the value of [sin (90– 10θ) – cos (p – 6θ)]/ [cos (p/2 – 10θ) – sin (p – 6θ)]?

The length of the two parallel sides of a trapezium are 16 m and 20 m respectively. If its height is 10 m, its area in square metres is

If x = 3+13, then the value of x-12642x-1x-233 is