A sum of Tk. 100 is divided among A, B and C. If A and B together receive Tk. 70, B and C together receive Tk. 50. Find the amount received by B.

Tk. 10

Tk. 20

Tk. 40

Tk. 60

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ব্যাখ্যা ও সঠিক সমাধান

উত্তর: Tk. 20

Let the amounts received by them be A, B and C respectively. So, A + B + C = 100. Now, A + B = 70 Again, B + C = 50 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - So, A + B + B + C = 70 + 50 [By addition] or, 2B + A + C = 120 or, 2B + 100 - B = 120 [A + C = 100 - B] or, 2B - B = 120 - 100 or, B = 20 TK

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বিস্তারিত সমাধান

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অনুসন্ধান করুন

বিস্তারিত সমাধান

A sum of Tk. 100 is divided among A, B and C. If A and B together receive Tk. 70, B and C together receive Tk. 50. Find the amount received by B.

সম্পর্কিত বিষয় সমূহ

সম্পর্কিত অন্যান্য প্রশ্ন

If u> t, r> q , s>t, t>r, which of the following must be true?

The price of a certain television set is discounted by 10 percent, and the reduced price is then discounted by 10 percent. The series of successive discount is equivalent to a single discount of -

A pen was sold at 15% loss. If the selling price was Tk. 8 more, than the seller could have made a profit of 10%. What was the purchase price of pen?

Ms. Lyla wants to put up fencing around three sides of her rectangular garden and have a side of 20 meter unfenced. If the yard has an area of 680 square meters, how many yards of fencing does she need?

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In a sugar-water solution, the ratio of water to sugar is 8:3. If you add 2 Kgs of sugar, the ratio become 2:1. What was the amount of sugar in the original solution?

If the area of rectangle R with length 4 feet is equal to the area of square S, which has a perimeter of 24 feet , then the perimeter of rectangle R equals -

What percent of 25 is 0.20?

If N and P are both odd numbers, which of the following numbers must be an even number?