A hostel spends Tk. 3200 as cost of rice 20 students for 30 days. If they spend Tk. 2400 for 30 students, for how many days will the rice last?

A 25 days
B 30 days
C 15 days
D 5 days

Correct Answer: 15 days

৩২০০ টাকায় ২০ জন ছাত্রের খাবার আছে = ৩০ দিনের৩২০০ টাকায় ১ জন ছাত্রের খাবার আছে  = ৩০*২০ দিনের৩২০০ টাকায় ৩০ জন ছাত্রের খাবার আছে  = 30×2030 দিনের২৪০০ টাকায় ৩০ জন ছাত্রের খাবার আছে = 30×20×240030×3200দিনের                                                                     = ১৫ দিনের (উত্তর) 
Bissoy MCQ
#গণিত #শতকরা (Percentage) #সেট (Set) #Bangladesh House Building Finance Corporation (BHBFC) #Bangladesh House Building Finance Corporation - Officer - 05.08.2011

Related Questions

In a university, 80 percent of the students lived in hostel, and 60 percent of the hostel students are lucky to get a single room. If number of lucky students is 1200, then how many students were there in the university?
A 2500
B 2400
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In a university, 80 percent of the students lived in hostel , and 60 percent of the hostel students are lucky to get a single room. If number of lucky students is 1,200, then how many students were there in the university ?
A 2,500
B 2,400
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একজন চাকরিজীবীর আয় ও ব্যয়ের অনুপার ২০ঃ ১৫ হলে, তার মাসিক সঞ্চয় আয়ের শতকরা কত অংশ?
A ৩০%
B ১৫%
C ২০%
D ২৫%
একটি ট্রান্সফরমারের প্রাইমারি ও সেকেন্ডারি তারের ঘূর্ণনের অনুপাত 20ঃ 1 এবং সেকেন্ডারিতে 20 omega রোধ লাগানো আছে। যদি প্রাইমারিতে 220 V প্রয়োগ করা হয় তাহলে এর মধ্যে বিদ্যুৎ প্রবাহ হবে-
A 0.55 A
B 27.5 mA
C 27.5 A
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Nila and Shelly have more money to spend than Roni, although Mila has less than Roni. Tushar has more money to spend than Roni. Who has the least to spend?
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A person spends 20 percent of his monthly salary for his son's education.In the coming mondi,he is expected to get an increment of Tk.170 and he plans to spend half of that increment also for his son's education.The total he would spend then for his son's education would be Tk.645.What is the percent salary of that person?
A 2800
B 3200
C 3600
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Select the correct answer choice of the following Question : "A person spends 20 percent of his monthly salary for his son's education. In the coming month, he is expected to get an increment of TA. 170 and he plans to spend half of that increment then for his son's education. The total he would spend then for his son's education would be TA. 645. What is the present salary of that person?"
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A Labor costs in country Q are 10 percent below those in country Y .
B Importing rice from country Q to country Y is less than 10 percent of the cost of manufacturing rice in country Q .
C The fee for transporting rice from country Q to country Y is more than 10 percent of the cost of manufacturing rice in country Q .
D It takes 10 percent less time to manufacture rice in country Q than it does in country Y.
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