Babu bought two varieties of pulse, costi… | Answer

Subject

পেট্রোবাংলা

Topic

বাপেক্স (সহকারী ব্যবস্থাপক) - ২৬.০১.২০২৩

Babu bought two varieties of pulse, costing Tk. 50 and Tk. 60 per Kg. each, and mixed them in some ratio. He then sold the mixture at Tk. 70 per kg., making a profit of 20 percent. What was the ratio of the mixture?
Reading

ক)

1 : 10

খ)

1 : 5

গ)

2 : 7

ঘ)

None

Explanation

মনে করি, ৫০ টাকা কেজি দরে কিনাছিল x কেজি এবং, ৬০ টাকা কেজি দরে কিনাছিল y কেজি প্রশ্নমতে, 120/100(50x+60y)= 70(x+y) ⇒6/5(50x+60y) = 70x+70y ⇒300x+360y = 350x+350y ⇒-50x = -10y ⇒x/y =1/5 ∴x:y = 1: 5

শুদ্ধ বানান নির্ণয় করুন।There are 8 marbles in a box 6 red and 2 black. If you randomly pick 2 marbles simultaneously what is the probability that you will get one red and 1 black marble?শুদ্ধ বানান নির্ণয় করুন।Jashim and Imran start walking from A to B at 5 and 3 km per hour respectively. Jashim reaches B and starts back for A. How far from B will he meet Imran if the distance between A and B is 32 km?শুদ্ধ বানান নির্ণয় করুন।শুদ্ধ বানান নির্ণয় করুন।3/8 of all applicants for a job are male. 3/4 of all applicants are rejected in the first round including 2/3 of all male applicants. What fraction of applicants remaining after the first round are male?'অহর্নিশ'

Babu bought two varieties of pulse, costing Tk. 50 and Tk. 60 per Kg. each, and mixed them in some ratio. He then sold the mixture at Tk. 70 per kg., making a profit of 20 percent. What was the ratio of the mixture?Reading

Babu bought two varieties of pulse, costing Tk. 50 and Tk. 60 per Kg. each, and mixed them in some ratio. He then sold the mixture at Tk. 70 per kg., making a profit of 20 percent. What was the ratio of the mixture?

Explanation

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Babu bought two varieties of pulse, costing Tk. 50 and Tk. 60 per Kg. each, and mixed them in some ratio. He then sold the mixture at Tk. 70 per kg., making a profit of 20 percent. What was the ratio of the mixture?
Reading