18 boys can do a piere of work in 24 days . In how many days can 27 boys do the same work?
16
A fan is listed at Rs 150 and a discount of 20% is given. Then the selling price is
Rs 120
The discount equivalent to two successive discounts of 10% is
19%
The ratio of the income of A and B as well as of B and C is 3:2. If one third of A's income exceeds one fourth of C's income by Rs 1000, What is B's income in Rs?
3000
The mean of 11 numbers is 35. If the mean of first 6 numbers is 32 and that of the last 6 numbers is 37, find the sixth number.
29
If a man were to sell his wrist- watch for Rs 720, he would lose 25%. What price must he sell at for to gain 25%?
Rs 1200
If the length of a rectangle increases by 12% and the breadth by 10% then the percentage increase in area is
123%
A boy can swim in still water at a speed of 10 kn/hr. If the speed of the current would have been 5kmph, then the boy could swim 60km
downstream in 4 hours f.
What is the area of the triangle whose sides at 9cm, 10cm and 11cm?
30?2 cm²
The distance between the centres of two equal circles each of radius 3 em is 10 cm. The length of a transverse tangent is