Volume and Surface Area

Q1:

What is the capacity of the cylindrical tank?

I. The area of the base is 61,600 sq. cm.

II. The height of the tank is 1.5 times the radius.

III. The circumference of base is 880 cm.

A Any two of the three

B Only II and either I or III

C Only I and II

D Only II and III

E Only I and III

ANS:E - Only II and either I or III

Capacity = r²h. I gives, r² = 61600. This gives r. II gives, h = 1.5 r. Thus, I and II give the answer. Again, III gives 2r = 880. This gives r. So, II and III also give the answer. Correct answer is (E).

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