Quantitative Aptitude - Arithmetic Ability Questions

Two water squash mixtures, the first with a water-to-squash ratio of 5:1 and the letter with a ratio of 3:1 are blended in the ratio 3:2. What is the final water : squash ratio in the blend?

If sin - 4π/3 = x, then the value of x is

Coefficient of x2in (x + 9)(6 - 4x)(4x - 7) is

What is the value of (sin60° + 2/√3) ?

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

The costs of daily ticket of local train is Rs. 50 and Monthly Pass costs is Rs. 1125. If I buy the Monthly Pass and travel for 30 days in a month then I save?

If cot(A/2) = x, then the value of x is

A water tank is 2/5 th full. Inlet A can fill the tank in 12 minutes while an outlet pipe B can empty it in 6minutes. If both the pipes are open, how long will it take to empty or fill the tank completely?