Sampa is 10 years older than Sanda. In 7 years time, Sampa will be twice asold as Sanda. What is the age of Sampa now in yoars.

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উত্তর: 13

Let the present age of Sanda is x Present age of Sampa is x + 10 In 7 years Sampa’s age is x + 10 + 7 = x + 17 B’s age is x + 7 x + 17 = 2(x + 7) or,x + 17 = 2x + 14 ∴ x = 3 so, Present age of Sampa is 3 + 10 = 13 yrs ans: 13 yrs

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বিস্তারিত সমাধান

Sampa is 10 years older than Sanda. In 7 years time, Sampa will be twice asold as Sanda. What is the age of Sampa now in yoars.

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 -

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