Quantitative Aptitude - Arithmetic Ability Questions

PT is a tangent to a circle with centre O and radius 6 cm . If PT is 8 cm then length of OP is

A train starts moving from a place X at 7:00 a.m. and arrives at another place Y at 1:00 p.m. on the same day. If the speed of the train is 15 m/s, then what will be the distance (in km) covered by the train?

Two numbers are in the ratio 4:5 and their HCF is 13. Their LCM is

Select the odd number from the given alternatives.

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

If sin ­-330° = x, then the value of x is

2 ­- (cosA + sinA)2 is equal to

What is the value of cos 4π/3?