Quantitative Aptitude - Arithmetic Ability Questions

If A = 0.216 + 0.0080.36+0.04-0.12 & B = 0.729-0.0270.81+0.09+0.27, then what is the value of A2+B22 ?

If 3sinθ+4cosθ=5 (0<θ<90°) then the value of sinθ is

Rs. 750 invested for 3 months gave an interest of Rs. 18. What was the simple rate of interest per annum?

A vendor buys bananas at 12 for Rs 50 and sells at 5 for Rs 40. What will be the gain (in %)?

A shopkeeper cheats to the extent of 11% while buying and selling fruits, by using tampered weights. His total gain in percentage is

What is the simplified value of sin2(90–θ)–[sin(90–θ)sinθ/tanθ]?

N is the smallest three digit prime number. When N is divided by 13, then what will be the remainder?

If a - b = 10 and ab =-21, then what is the value of a3-b3 ?