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Deepak kumar

· started a discussion

· 1 Months ago

in question 1/42 is not mentioned then where do it come from in answer.

Question:

Find the value of

 \(\cfrac{1}{15}+\cfrac{1}{35}+\cfrac{1}{63}+\cfrac{1}{99}+\cfrac{1}{143}+\cfrac{1}{42}\)

Options:
A)

1078    

B)

83546    

C)

1072    

D)

433    

Solution:

Ans: (b)

  

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