Quantitative Aptitude - Arithmetic Ability Questions

If 13A = 11B = 8C, find A : B : C

Find the greatest number that will divide 390, 495 and 300 without leaving a remainder

If a = 73, b = 74 and c = 75, then what is the value of a3 + b3 + c3 – 3abc?

If cosθ1-sinθ+cosθ1+sinθ = 4, then the value of θ (0°<θ<90°)?

A wholesaler sells a jacket to a retailer at a profit of 5% and the retailer sells it to a customer at a profit of 10%. If the customer pays Rs. 4158, what had it cost (in Rs) to the wholesaler?

A man bought 25 crates of oranges for Rs. 10,000. He lost 5 crates. In order to earn a total profit of 25% of the total cost, he would have to sell each of the remaining crates at

The value of sec217°-1tan273°-sin17°sec73°

Pranita got 30 marks more in Math than what she got in Science. Her Math marks are 60% of the sum of her Math and Science marks. What are her Science marks?