Quantitative Aptitude - Arithmetic Ability Questions

A, B and C invest to start a restaurant. The total investment was Rs 3 lakhs. B invested Rs 50,000 more than A and C invested Rs 25,000 less than B. If the profit at the end of the year was Rs 14,400 then what is C's share of the profit (in Rs)?

If C + 1C = 3, then what is the value of C-37+1C7?

If a - b = 2 and ab = 15, then what is the value of a3- b3?

The areas of two similar triangles ΔABC and ΔPQR are 121 sq cms and 64 sq cms respectively. If PQ = 12 cm, what is the length (in cm) of AB?

If U = 450 and V = 585, then V is how much percentage more than U?

If √(1 - cos2A)/cosA = x, then the value of x is

2cos[(C+D)/2]sin[(C-D)/2] is equal to

The average of 15 numbers is 7. If the average of the first 8 numbers is 6.5 and the average of the last 8 numbers is 8.5 then middle number is