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Shyam lal Singalwal

· started a discussion

· 1 Months ago

solution (Question: 364631.0 )

Good solution, sirji

Question:

If x(x + y + z) = 20, y(x + y + z) = 30 and z(x + y + z) = 50, then the value of 2(x + y + z) is–

Options:
A)

20

B)

10

C)

15

D)

18

Solution:

Ans:(a) 


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