Quantitative Aptitude - Arithmetic Ability Questions

What is the value of sin ­-300°?

Select the odd number from the given alternatives.

Select the odd number from the given alternatives.

Rearrange the jumbled up letters in their natural sequence ad find the odd one out.

Three balls ring at intervals of 15, 30 and 45minutes respectively. At what time will they ring together again, if they rang simultaneously at 8.00 AM?

What is the value of xy if x - y = 3 and x2+y2=15?

A shopkeeper sells wheat at a profit of 20% and for weighing uses a weight which is 10% less than the actual weight. What is his total profit percentage?

ΔXYZ is similar to ΔPQR. If ratio of Perimeter of ΔXYZ and Perimeter of ΔPQR is 16:9 and PQ = 3.6 cm, then what is the length(in cm) of XY?