Quantitative Aptitude - Arithmetic Ability Questions

Ajay can do a painting in 12 days. Amit is 70% more efficient than Ajay. What is the number of days Amit would need to finish the same painting?

The marked price is 10% higher than the cost price . A discount of 10% is given to the marked price . In this kind of sale the seller

Ravi had five subjects in his final examination. The maximum marks in each subject are 100. If his percentage in four subjects is 80, and he scores 65 marks in the fifth subject, determine his overall percentage for the five subjects.

An equilateral triangle of side 6 cm is inscribed in a circle. Then radius of the circle is

If a regular polygon has 6 sides then the measure of its interior angle is greater than the measure of its exterior angle by how many degrees?

If x/y = 4/9, then what is the value of (7x2 – 19xy + 11y2)/y2 ?

If Cosec θ = 17/8, then Cot θ = ?

Mehdi can complete a work in 25 hours. If he is joined by Jahnavi who is 50% more efficient, in what time will they together finish the work?