Quantitative Aptitude - Arithmetic Ability Questions

If xy+yz+zx = 1, then the value of (1+y2)(x+y)(y+z) ?

If a3 + b3 = 19 and ab = -6 , then what is the value of a + b?

If θ is acute angle and tan θ – cot θ = 0, then what is the value of tan26θ + cot100θ?

If 5 ­ 3x < 4 ­ x and 5(2 ­ x) > 2 ­ 2x, then x can take which of the following values?

What is the value of 23+5252-23 ?

The value of Cot17°Cot73°Cos222° + 1Cot17°Sec268° is

Select the odd number from the given alternatives.

Rohit buys a ball for Rs 450 and sells it. Rohit gives two successive discount of 20% and 5% to the customer. What will be the selling price (in Rs) of the ball?