Quantitative Aptitude - Arithmetic Ability Questions

In a farm, in addition to 48 hens there are 42 sheep and 11 oxen with some shepherds. If the total number of feet be 224 more than the number of heads, find the number of shepherd.

Coefficient of x2in (x + 9)(6 - 4x)(4x - 7) is

Sum of two numbers is thrice their difference. Their ratio is

614% of 1600 + 1212% of 800 is equal to

Two equal circles intersect so that their centres, and the points at which they intersect form a square of side 1 cm. The area (in sq.cm) of the portion that is common to the circles is

A contractor has got two orders A and B. On one (A) he spends Rs. 25,000 and makes a bill of Rs. 30,500. On the other (B) he makes a bill keeping a profit of 20%. Which of the two orders is more profitable to him?

If the lengths of two parallel chords in a circle of radius 10 cm are 12 cm and 16 cm, then what is the distance between these two chords?

A batsman in his 12th innings makes a score of 120, and thereby increase his average by 5. The average score after 12th innings is