For the following questions answer them individually
By Selling 35 articles, a shopkeeper gains the selling price of 15 articles. Find his gain percentage.
A man of Rs. 21850 amounts to Rs. 28623.50 in 5 years at the rate of simple interest. The rate percent is:
A, B and C together can complete a work in 5 days. A and B together can complete the same work in 6 days. C alone can finish the same work in how many days?
The ratio of time taken by A and B to cover a certain distance is 17 : 19. Find the ratio of their respective speed.
How many litre of water can a hemispherical bowl of diameter 21 m hold? ($$1m^{3} = 1000$$ litre)
In what ratio must tea at Rs. 58 per kg be mixed with tea at Rs. 64 per kg so that the mixture must be worth Rs. 60 per kg?
What is the value of $$49 \times 64 \div 56 + 45 \div 5 + 25 \times 5 + 75 \div 3 + 8 \times 3?$$
What is the value of $$\frac{39}{25} \div \frac{13}{5} + \frac{33}{5} \times \frac{4}{11}$$?
After selling 4% of a quantity of sugar, 6 kg of sugar remains. Find the total quantity of sugar.
