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Madhukar Gupta

· started a discussion

· 1 Months ago

plz galtiyan kam karein.... q is diff both in eng $ hindi.. not given in hindi total surface area

Question:

The base radius of two cylinders are in the ratio of 2 : 3 and their height are in the ratio 5 : 3 the ratio of their total surface area.

Options:
A)

7 : 9

B)

9 : 7

C)

6 : 7

D)

7 : 6

Solution:

Ans: (a)

  

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