Quantitative Aptitude - Arithmetic Ability Questions

If the length of the side of an equilateral triangle is 6 cm, what is its area?

Find the median, mode and mean of 9, 5, 8, 9, 9, 7, 8, 9, 8.

A and B are 15 kms apart and when travelling towards each other meet after half an hour whereas they meet two and a half hours later if they travel in the same direction. The faster of the two travels at the speed of

Puneet purchases 5 dozens of oranges at the rate of Rs 120 per dozen. He sold each one of them at the rate of Rs 11.5. What is the profit (inpercentage) of Puneet?

At what point does the line 4x - 3y = -6 intercept the y-axis?

If tan A = 1/2 and tan B = 1/3, then what is the value of tan (2A + B)?

If x+1/x = 2, then the value of x7+2/x6 is equal to?

If compound interest received on a certain amount in the 3rd year is Rs. 1,240, what will be the compound interest (in Rs) for the 4th year on the same amount at 9% rate of interest?