For the following questions answer them individually
A travels 15 km with a speed of 30 km/h. He travels another 25 km with a speed of 10 km/h. What is his average speed for the entire journey?
The Table given below presents the number of books on different subjects kept on separate shelves. Subjects with odd and even numbers are of Arts and Science respectively.
What is the ratio of the number of books of S1 and the average number of books per subject?
What will be the compound interest on a sum of ₹ 1200 for 2 years at the rate of 20% per annum when the interest is compounded yearly?
The simple interest on a sum fora certain number of years, same as the rate percentage of the interest, is equal to the sum itself. The numberof years is equal to:
Pipe A can fill a tank in 6 hours. Pipe B can fill the same tank in 8 hours. Pipe A, B and C together can fill the same tank in 12 hours. Then which of the following statements is true for pipe C?
By selling an article for ₹ 320, a man incurs a loss of 20%. What should be the selling price of an article to gain 20%?
$$0.1$$ percent of $$1.728 \times 10^{6}$$ spherical droplets of water, each of diameter 2 mm, coalesce to form a spherical bubble. What is the diameter (in cm) of the bubble?
The ratio of monthly incomes of Pawan and Sunil is 4 : 3 and the ratio of their monthly expenditures is 3 : 2. If Pawan and Sunil save ₹ 4000 and ₹ 6000 respectively per month, then what is the sum of their monthly incomes?
What is the value ofÂ
$$32 \div 4 of 2 \times 3 + \left[5 of 6 - \left\{7 of 8 (10 + 6 of \frac{5}{6} \div 5 - 1) \div 80\right\}\right] - 7 \times 3 \div 2$$?