Quantitative Aptitude - Arithmetic Ability Questions

If 40 is 0.05% of x, then what is the value of x?

If 1/√(1+tan2A) = x, then value of x is

The ratio of two positive numbers is 3:4. The sum of their squares is 400. What is the sum of the numbers?

Find the fraction which bears the same ratio to 1/27 that 3/7 does to 5/9 .

Two numbers are in the ratio 5:6 when 6 is added to each, the ratio becomes 7:8 then the numbers are

Amit's age is four times the age of Babli. Babli's age is three times the age of Priya. If the present age of Priya is 5 years, what is the present age (in years) of Amit?

 In the triangle ABC, the internal bisector of angle A meets the side BC at D. If BD=7.5 cm and BC=9 cm. Then calculate the value of AB:AC.

[sinA/(1 + cosA)] + [(1 + cosA)/sinA] is equal to