The length of a rope, to which a cow is tied, is increased from 19m to 30m. How much additional ground will it be able to graze? Assume that the cow is able to move on all sides with equal ease.
A. 1696 sq.m
B. 1794 sq.m
C. 1594 sq.m
D. 1756 sq.m
E. 1896 sq.m
সঠিক উত্তরঃ
B.
1794 sq.m
Explanation:
Related Questions (Any University/Year)
- P কিলো লবণ যদি q কিলো পানির সাথে মেশানো হয় তাহলে এই দ্রবণে শতকরা কতটুকু লবণ আছে?
- If a and b are positive integers and (a -b) /3.5 - 4/7 , then
- A = {1, 2, 3, 4} হলে, P(A) এর উপাদান সংখ্যা কত?
- a3+b3a+b কে a4+b4+a2b2a3+b3 দিয়ে ভাগ করলে ভাগফল কত হবে ?
- A person makes a profit of 10% on 25% of the quantity and a loss of 20% on the rest. What is the percentage gain or loss on the whole?
- How many poles can be erected along fence of 200feet at equal distance of 20 feet?
- Ravi leaves home for stadium which is 12 km form his house. After the stadium, and club all fail in a time, then what is the minimum distance he has to travel to get back home?
- রফিকের ওজন যদি ১৭ কেজি কমে যায় তবে তার ওজন আরিফের ওজনের অর্ধেক হয়ে যাবে। তাদের দুজনের ওজনের যোগফল ১৪০ কেজি হলে রফিকের ওজন কত কেজি?
- ABD বৃত্তে AB এবং CD দুটি সমান জ্যা পরস্পর P বিন্দুতে ছেদ করলে কোনটি সত্য?
- What is the percentage to simple interest if the capital of 100 is doubled in 5 years?
- Taka 1105 was divided among A, B and C. The amount of money received by A and B were in the ratio of 1:2. Amount of money received by B and C were in the ratio 3:4. How much money did A receive?
- What percentage of profit is made by selling an article at a certain price if by selling at two third of that price there would be a loss of 20%?
- x ধনাত্মক হলে 25 , 5x - এর শতকরা কত?
- If x and y are prime numbers, which of the following cannot be the sum of x and y?
- A shirt was sold for Tk. 171 and the gain was as much percent as it costs in Taka amount. What was the purchase price of the shirt?
- 250 এর 10% এর মান কত?
- When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 3 times, what is the probability that it will land on the same side each time?
- A student multiplied a number by 3/5 instead of 5/3. What is the percentage of error in the calculation?
- একটি DVD এর দামের উপর ১০% বাট্টা দেয়া হয় এবং পরবর্তী হ্রাসকৃত দামের উপর পুরনায় ১০% বাট্টা দেয়া হয়। মূল দামের উপর মোট বাট্টার পরিামাণ হলো:
- a+1a2=3 হলে a3+1a3 কত ?