For the following questions answer them individually
The expenditure of Manav is 200% more than his savings. If his income increases by 18% and savings increase by 64%, then what is the percentage increase/decrease in his expenditure?
Find the total surface area of a solid cylindrical tin of radius 14 cm and height 7 cm. (Take $$\pi = \frac{22}{7}$$)
The average age of 10 men is increased by 3 years. when three of them whose ages are 15 years. 16 years and 17 years are replaced by three new men. Find the average age of the three new men.
A reduction of 25% in the price of an item enables a purchaser to obtain 5 items more for ₹240. The original price of the
item is:
The ratio of boys and girls in a club was 8 : 5. When 6 boys left and at the same time 9 more girls joined the club, the ratio of boys and girls became 14 : 13. The number of girls, initially, in the club was:
A shopkeeper gained 7% more by selling an article for ₹580 as compared to selling it for ₹545. Find the cost price of the
article.
If a person had walked at a speed of 15 km/h instead of walking at a speed of 10 km/h, he would have walked 30 km
more in the same time. The actual distance travelled by him was:
A man travelled a distance of 44 km in 4 hours. He travelled partly on foot at the speed of 7 km/h and partly on bicycle
at the speed of 15 km/h. The distance travelled on bicycle is: