Quantitative Aptitude - Arithmetic Ability Questions

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

In the given series, how many 8s are there that are not divisible by the number to its left but completely divisible by the number to its right.

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One of the two inlet pipes works twice as efficiently as the other. The two, working alongside a drain pipe that can empty a cistern all by itself in 8 hours, can fill the empty cistern in 8 hours. How many hours will the less efficient inlet pipe take to fill the empty cistern by itself?

Find the radius of the circle if the length of its arc is 33 cm whose corresponding central angle is 90° ?

To cover a certain distance with a speed of 60 km/hr, a train takes 15 hours. If it covers the same distance in 12 hours, what will be its speed?

In Δ ABC , if ∠BAC = 90° and AB = AC , then ∠ABC is

G is the centroid of the equilateral triangle ABC, if AB = 9cm then AG is equal to

If 2+x+2-x2+x-2-x=2,then the value of X is