Quantitative Aptitude - Arithmetic Ability Questions

A man goes to a place on bicycle at speed of 16 km/hr and comes back at lower speed . If the average speed is 6.4 km/hr in total , then the return speed (in km/hr) is

ABC is a triangle if sin (A+B2)=32 then the value of Sin c2 is

A sells vegetables at a profit of 35% and for weighing uses a weight which is 10% less than the article weight. What is total profit percentage?

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

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

If 2cosAsinB = x, then the value of x is?

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

Coefficient of x in (x + 9)(8 - 5x) is