The area of the base of a closed cylinder is 1386 cm². If the height of the cylinder is 20 cm, then what is the total surface area of the cylinder? [Use π = 22/7]
Two trains are moving towards each other at the speeds of 70 km/h and 85 km/h. Their lengths are 210 m and 255 m, respectively. How much time will they take to cross each other completely?
If, on a certain sum, the simple interest for 2 years is ₹1,200, then what is the simple interest on the same sum for 5 years, if the rate of interest remains unchanged?
The following bar chart shows the marks obtained (out of 100) by a student in 7 different subjects in an examination
The total marks obtained by the student in S1 and S6 taken together is approximately what percentage of the marks obtained by the student in S4?
Param can do a piece of work alone in 24 hours, and Charan can do the same work alone in 30 hours. If they work together, what fraction of the work can they complete in 1 day?
