Quantitative Aptitude - Arithmetic Ability Questions

Fraction that lies between 2/5 and 4/9 is

Find the value of 'y' if y84 = 225

What is the measure of an interior angle of a regular polygon of 10 sides?

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

The angles of elevation of top and bottom of a flag kept on a flag post from 30 metres distance, are 45 and 30 deg respectively. Height of the flag is [taking √3 = 1.732]

Weight of A and B are in the ratio 11 : 8. A’s weight increases by 40% and the total weight of A and B increases by 30%. What is the percentage increase in the B’s weight?

The sum of 4x + 3y ­ 7z, x ­ y ­ z and ­2x ­ 3y + 4z is

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔADE is 8 cm sq, what is the area (in sq cm) of quadrilateral BDEC?