Quantitative Aptitude - Arithmetic Ability Questions

In ΔDEF measure of angle E is 90 deg. If cotD = 8/15, and DE = 16cm, then what is the length (in cm) of side EF?

Two fractions are such that their product is ­2/5 and sum is 1/15. What are the two fractions.

If (1/4 of x) - (4/5 of 6/7) equals - 9/7, then value of x is

In the given figure, from the point P two tangents PA and PB are drawn to a circle with centre Oand radius 5 cm. From the point O, OC and OD are drawn parallel to PA and PB respectively. If the length of the chord ABis 5 cm, then what is the value (in deg) of COD?

Find out the odd word/letters/number/number pair from the given alternatives.

The distance between the points (11,­5) and (k,0) is 13. Find k.

The point P(3,­-2) divides the segment joining the points (x,0) and (0,y) in the ratio 1:3. Find x and y?

The order of rotational symmetry of a rectangle is