Quantitative Aptitude - Arithmetic Ability Questions

A mother is five times older than her daughter. After 5 years, she would be 3 times older than her daughter. Find the mother's present age.

The marked price of a door is Rs 1400. It is sold at a discount of 28%. If the cost price of the door is Rs 700, then what is the profit (in Rs)?

The length, breadth and height of a cuboid are in the ratio 19 : 11 : 13. If length is 30 cm more than height, then what is the volume (in cub.cm) of this cuboid?

How long does a train, 75 m long, moving at 60 km/hr take to pass a certain telegraph post?

If x = 1.1, then what is the value of 4x2 -4x + 1 ?

If θ is acute angle and tan θ – cot θ = 0, then what is the value of tan26θ + cot100θ?

The inradius of a equilateral triangle is 10 cm. What is the circum-radius (in cm) of the same triangle?

If a - b = -7 and a2+ b2= 85, then find ab.