Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word/letters/number/number pair from the given alternatives.

If x+3y=-3x+y, then x22y2 is equal to

A 600 metres long train is running at the speed of 81 km/hr. If it crosses a platform in 40 seconds, then what is the length of the platform (in metres)?

A sum of money of Rs. 1000 is lent out in two parts in such a way that the interest on one part at 10% per annum for 5 years is equal to another at 5% for 10 years. Calculate the sum lent out at 5%.

Five angles of a hexagon measure 116 deg each. What is the measure of the remaining angle?

Which of the following is TRUE?

The third proportional of the following numbers (x - ­y)2, (x2 - y2)2 is

30% discount is offered on an item. By applying a promo code the customer wins 20% cash back. What is the effective discount?