Quantitative Aptitude - Arithmetic Ability Questions

If 3√2 + √18 + √50 = 15.55, then what is the value of √32 + √72?

Which of the following equations has the sum of its roots as 11?

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)?

Area of 4 walls of a cuboid 400 sq cm, its length is 15 cm and height is 8 cm. What is its breadth (in cm)?

What is the measure of an exterior angle of a regular polygon of 10 sides?

An engineering student has to secure 25% marks to pass. He gets 45 and fails by 45 marks. Find the maximum marks.

P and Q can do a project in 20 and 12 days respectively. In how many days can they complete 40% of the project if they work together?

The value of tan80° tan10° + sin270° + sin20∘