Question
The radius of a hemisphere is 10 cm. What is the total
surface area of the hemisphere (including the base)?Solution
The total surface area of a hemisphere is given by: Surface Area = 3πr² Substitute the radius: Surface Area = 3 × 3.14 × 10² Surface Area = 3 × 3.14 × 100 Surface Area = 942 cm² Correct Option: b
The sum of the incomes of 'G', 'H', and 'I' is Rs. 18000. 'G', 'H', and 'I' spend 70%, 65%, and 85% of their respective incomes, with their savings in t...
A, B and C invest in a partnership in the ratio 8:5:10 and investment of A is Rs.200 less than investment of C. Partner B invests for 1/5th and A and C ...
Palash invest twice the sum invested by Vicky and withdraws half of the sum after 2 months and again withdraws half of the remaining sum after 6 months....
P and Q started a business by investing Rs.8000 and Rs.6400 respectively. After 6 months, Q increased his investment by a certain percentage such that a...
‘M’ started a business with an investment of Rs. 3500. After 6 months ‘N’ joins the business with an investment of Rs. 2600. If the total profit...
Ram started a business with the capital investing Rs 6000. After 3 months Shyam also joined him, with the capital investing Rs 4000. They make a profit ...
- Nikhil and Swati began a business with investments in a 5:3 ratio. After 6 months, Tarun entered the partnership with an investment equal to the average of...
Jagan and Magan started a business with a capital of Rs. 36000 and Rs. 63 ,000 and decide to share their profit according to their capital. But Gagan jo...
P started a business with an investment of Rs.8000, after 8 months Q joined him with Rs.10000 and after another 8 months R joined them with Rs.12000. If...
Ravi and Kunal started a business where Ravi invested Rs. 15,000. Kunal left the partnership after 6 months. At the end of the year, the ratio of profit...
Relevant for Exams:
