Question
If the radius of a cylinder is 20 cm and its curved
surface area is 660 cm2 then find the height of the cylinder?Solution
According to the question Curved surface area of cylinder = 2πrh where the height of the cylinder = h cm and radius = r 660 = (2 x 22 x 20 x h)/7 h = 5.25 cm
'E' and 'F' enter into a partnership by investing Rs. 6,000 and Rs. 'z', respectively. Ten months later, 'E' doubled his investment, while 'F' withdrew ...
A and B started a retail store with initial investments in the ratio 5:6 and their annual profits were in the ratio 3:4. If A invested the money for 9 m...
A and B started a retail store with initial investments in the ratio 5:6 and their annual profits were in the ratio 2:3. If A invested the money for 8 m...
Anuj and Bheem began a business by investing Rs. Z and Rs. (Z + 2,500), respectively. After operating together for 16 months, Anuj withdrew from the bus...
Mayank and Manoj started a business with investing capital in the ratio of 8:15. After 4 months, Mayank reduced his (1 )/(4 ) portion of the capital and...
Calculate Amit's share of the profit if Amit and Bishnu invested their capital for 6 months and 7 months, respectively, in a ratio of 6:5, and the total...
A and B started a business together by investing Rs. 10,800 and Rs. 6,300, respectively. They maintained their investments for periods in the ratio of 7...
‘A’ and ‘B’ started a business by investing certain sum in the ratio 10:13, respectively for 6 years. If 8% of the total profit is donated in an...
P, Q and R start a business. P invests Rs 60,000 for 12 months, Q invests Rs 75,000 for 10 months, and R invests Rs 90,000 for 8 months. If the total pr...
A and B started a business with investments in the ratio 4:5 respectively. Find the share of A, if they earned a profit of Rs. 2700.
Relevant for Exams:
