Let the initial radius, height be r, h ⇒ New radius = r + r/5 = 6r/5 ⇒ New height = h – 3h/10 = 7h/10 ⇒ New Area = π × 36r^2/25 × 7h/10 = 252πr^2h/250 ∴% increase in Area = 2/250 x 100 = 0.8%
What is the least number of square tiles required to pave the floor of a room 11 m 47 cm long and 6 m 82 cm broad?
In a class of 80 students, 75% of the students passed in Mathematics, and 85% passed in English. If 60% of the students passed in both subjects, how man...
In a triangle ABC, AB = AC. The length of the median from A to BC is 9 cm and the angle between the median and AB is 60°. Find the length of AB.
Two pipes A and B can fill a tank in 15 hours and 20 hours, respectively. If both pipes are opened together and then pipe A is closed after 5 hours, how...
What is the average production of Bananas and Grapes together for the entire period from 2018 to 2022?
A tank is filled with 3 inlet pipes and 2 outlet pipes. Inlet pipes A, B, and C can fill the tank in 6 hours, 8 hours, and 12 hours, respectively. Outle...
The following table shows the monthly rainfall in a city for the first six months of the year:
A parallelogram has two adjacent angles measuring 110° and 70°. What is the difference of the other two angles?
In a trapezium, the lengths of the two parallel sides are 24 cm and 18 cm, and the distance between them is 16 cm. Find the length of the midsegment (li...
3.5% of 350 + x ² = 38× 13 + 94.25, find x
