For the following questions answer them individually
A can do a work in 30 days, B can do the same work in 48 days. After working alone for 20 days A left and B started working, how long will B take to complete the work?
The given pie-chart shows favourite sport of students of a school.
In the given pie-chart, if there were 1280 students in all, how many liked football?
The sides of a triangle are in the ratio 3 : 2 : 4 and the perimeter is 72 cm. The sides are:
A shopkeeper buys a book for ₹2,500 and marks its price at 15% above cost. He allows a discount of ₹345. The discount percentage is:
A sum at a Simple interest of 8% pa. becomes $$\frac{7}{5}$$ of itself in how many years?
PA and PB are two tangents to a circle with centre O, from a point P outside the circle. A and B are points on the circle. If $$\angle OAB = 38^\circ$$, then $$\angle APB$$ is equal to: