Quantitative Aptitude - Arithmetic Ability Questions

At 15% discount the selling price of a microwave oven is Rs 34000, what is the selling price if the discount is 37.5%?

A's salary is 50% more than that of B. Then B's salary is less than that of A by

If cosec θ + sinθ = 5/2 then the value of cosecθ - sinθ is

Which of the following numbers will have an irrational square root?

If θ is positive acute angle and 7cos2Ɵ + 3sin2Ɵ = 4, then the value of θ is

The ratio of number of boys to the number of girls in a school of 432 pupils is 5 : 4. When some new boys and girls are admitted, the number of boys increase by 12 and the ratio of the boys to girls changes to 7 : 6. The number of new girls admitted is

The ratio of incomes of P and Q is 5 : 3. Ratio of income of Q and R is 5 : 2. If one-fourth of P’s income is Rs 500 more than the R’s income, then what is the income (in Rs) of Q?

What is the length of the arc whose central angle is 30° and radius of the circle is 21 cm?