A transporter drives his truck for the first 4 hours of his journey at a speed of 90 km/h, and the remaining distance in 6 hours at a speed of 50 km/h. What is the average speed of the truck (in km/h)?”
The value of \(3\frac{1}{9} \div \frac{4}{9} \,\text{of}\, \left(7\frac{3}{10} + 3\frac{1}{5}\right) + \frac{4}{5} \div 2\frac{2}{5}\) is:
Kamala has three cylindrical containers, each with radius 20 cm that she wants to fill with grain. If her bag of grain contains 100 kg grain, and she fills all three containers to a height of 70 cm, how much grain will be left in the bag, if 1 kg grain occupies 3000cm3. space? (use \( \pi = \frac{22}{7} \))
Two girls move in opposite directions, one from A to B and the other from B to A. The girl from A reaches the destination in 12 minutes. The girl from B stops on the way for 10 minutes and reaches her destination in 25 minutes. If A's speed is 5 km/h, then what is the speed of B?
The following graph shows the production of cotton cloth (in lakh metres) by three companies A, B and C over the years.
What is the ratio of the production of Company C in the year 1996 and 1997 to the production of Company B in the years 1999 and 2000?
A person invests ₹10,000 at the rate of 10% per annum for 2 years on simple interest. How much more interest will be earned if he his paid compound interest instead of simple interest,interest being compounded annually?
A square park has area 4356 m2 . Taking its one round is same as taking one round of another circular park. Find the area of the circular park. (use \( \pi = \frac{22}{7} \))
The Gupta family spends their monthly income on different heads as shows in the following chart.
What is the central angle of the combined section for House Rent and Savings?