Quantitative Aptitude - Arithmetic Ability Questions

If Mr. Raghav taught a total of 500 hours, then what is the difference in number of hours of teaching algebra and modern Maths?

In the following question, select the odd letter/letters from the given alternatives.

What is the simplified value of (sin A – cosec A)(sec A – cos A) (tan A + cot A)?

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

If 3a – (3/a) – 3 = 0, then what is the value of a3 – (1/a3) + 2?

If 25% of an electricity bill is deducted, Rs 1788 is still to be paid. How much was the bill?

In the following question, select the odd letter/letters from the given alternatives.

The value of the expression 2(sin6θ+cos6θ) - 3(sin4θ+cos4θ) + 1 is