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Posted by Aryan Kumar 5 years, 4 months ago
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Vikram Kumar 5 years, 4 months ago
Posted by Sejal Thakur 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Let the present age of Nuri =x year
And present age of Sonu =y year
Five years ago
Age of Nuri =x–5years
Age of Sony =y–5years
Nuri was thrice as old as Sonu
X−5=3(y–5)
X–5=35–15
X–3y=−15+5
X–3y=−10 ………..(1)
Ten years later,
Age of Nuri =x+10
Age of Sonu =y+10
Nuri will be twice as old as Sonu.
X+10=2(y+10)
X+10=2y+20
X–2y=10 ………..(2)
X–3y=−10 ………..(1)
Subtracting equation (1) from equation (2) we get
Y=20
Plug this value in equation first we get
X−3∗20=−10
X=60–10
X=50
Hence age of Nuri =50 years and age of Sonu =20 years
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Ram Kushwah 5 years, 4 months ago
2x²+5px+7q=0
Let the roots are a and 1/a
Product of roots=a*1/a=1
so 7q/2=1
So q=2/7
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Gurkirat Singh 5 years, 4 months ago
Yogita Ingle 5 years, 4 months ago
The trade between two or more countries is known as Foreign trade. Foreign trade comprises of exports and imports. The inflow of goods in a country is called imports and the outflow of goods from a country is called export.
For example export of tea from India to US or import of car parts from Germany to India.
Foreign investment involves flow of capital and from one country to another country. Foreign investment comprises of Foreign Direct Investment and Foreign Portfolio Investment.
For example investment made by a MNC in another country is termed as foreign investment
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