A. B and C can do a piece of work in 10, 15 and 30 days, respectively. If B and C both assist A on every third day, then in how many days will 40% of the work be completed?
Study the given graph and answer the question that follows.
In which year is the percentage increase in the revenue as compared to that in the preceding year the highest?
A field is in the form of a circle. The area of the field is 3850 m2 ,and if the cost of fencing around it is ₹11 per metre, then the cost (in ₹) is:\(\text{(take }\pi = \tfrac{22}{7}\text{)}\)
What is the difference (in ₹) between the compound interest, when interest is compounded 6-monthly, and the simple interest on a sum of ₹20,000 for \(1\tfrac{1}{2}\) year at 10% p.a.?
A hall is 18 m long and 12 m broad. If the area of the floor is equal to the sum of the areas of the four walls, the volume (in m3 ) of the hall is: