Quantitative Aptitude - Arithmetic Ability Questions

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

2 ­- (cosA + sinA)2 is equal to

A 1.6 m tall observer is 45 meters away from a tower. The angle of elevation from his eye to the top of the tower is 30°, then the height of the tower in meters is

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

Select the odd word/letters/number/number pair from the given alternatives.

Rameshwar goes on a trip on his motor-cycle and rides for 405 kms. If he rides for 6 hours at a speed of 45 km/hr, find at what speed he travels for the remaining 3 hours of the journey?

The ratio between the speeds of two buses is 11:9. If the second bus runs 270 kms in 15 hours, then the speed of the first bus is?

When 0.151515.....is converted into a fraction, then the result is