For the following questions answer them individually
If the height of a cylinder is increased by 30%, and the radius of its base is decreased by 15% then by what percentage will its curved surface area change?
The sales for 5 days are given as: ₹5,000, ₹6,000, ₹8,000, ₹7,000 and ₹9,000. What must the sales be on tbe $$6^{th}$$ day so that the average becomes ₹8,500?
A person reaches his destination 32 minutes late if his speed is 6 km/h, and he reaches 18 minutes before time if his speed is 7 km.h. Find the distance of his destination from his starting point.
Study the following pie chart and table and answer the question given below.
The given chart represents the percentage distribution of the popu1ation of six villages A, B, C, D, E and F in 2016.
The difference in the central angles of villages B and E is:
By selling an article for ₹1,500, double the profit is obtained than the profit that would have been obtained by selling it for ₹1,350. Find the cost price of the article.
The value of $$4\times2\div3 of 12-3\div2\times\left(2-3\right)\times2+3\div2 of 3$$ is:
Anil Kumar sold an article to Rajat for ₹15,000 by losing 25%, Rajat sells it to David at a price that would have given Anil Kumar a profit of 5%. The profit percentage earned by Rajat is:
A man travelled a distance of 47 km in 6 hours. He travelled partly on foot at the rate of $$6\frac{1}{2}$$ km/h, and partly on bicycle at the rate of $$8\frac{1}{2}$$ km/h. The distance travelled on foot is:
The sum of five numbers A, B, C, D and E is 37.5. The average of A and B is 6, and the average of D and E is 9. The average of A, B and C is:
The least munber of square tiles required to pave the ceiling of a room, 12 m 95 cm long and 3 m 85 cm broad, is: