Subject
Bank Exam
Topic
Bangladesh Bank AD 2012
In a zoo, each pigeon has 2 legs, and each rabbit has 4 legs. The head count of the two species together is 12, and the leg count is How many pigeons and how many rabbits are there in the zoo?
In a zoo, each pigeon has 2 legs, and each rabbit has 4 legs. The head count of the two species together is 12, and the leg count is How many pigeons and how many rabbits are there in the zoo?
ক)
6 & 3খ)
5 & 10গ)
8 & 4ঘ)
6 & 8Explanation
A/Q, x + y = 12 or, 2x + 2y = 24 ....................... (1) 2x + 4y = 32 ............................ (2) (2) - (1) we get, 2y = 8 or, y = 4 ......(3) Now, from (1) and (3), we get, x + 4 = 12 or, x = 12 - 4 or, x = 8Related questions
The ratio of the number of red balls, to yellow balls, to green balls in an urn is 2 : 3 : What is the probability that a ball chosen at random from the urn is a red ball?Select the alternative that best replaces the underlined portion of the sentence: She is one of the delegateswho was chosen toattend the convention.Analogy: ENTREPRENEUR: LABORERIf I ____ going to enter the competition, I would have done so by now.“আপদ” এর বিপরীত শব্দ কোনটি?“চাঁদ”শব্দের সমার্থক শব্দ কোনটি?কোন বাক্যটি শুদ্ধ?“বায়ু” শব্দের সমার্থক শব্দ কোনটি?