Question

A water tank has shape and dimensions as shown in the diagram. At the beginning the tank is empty. Then it is filled with water at the rate of one litre per second.

(i) Write the formula to find the volume of tank.
(A) Πr2h (B) Πr(l + r) (C) Πr2h (D) 2Πr

(ii) What is the ratio of the volume of cone and cylinder .
(A) 1:1 (B) 1:2 (C) 2:1 (D) 1:3
(iii) Lateral surface area of cone is :
(A) Πr l (B) Πr(l + r) (C) 2Πrh (D) 2Πr
(iv) What is slant height of cone in above tank ?
(A) 2.5 (B) 1.58 (C) 2.05 (D) 2.25
(v) Lateral surface area of cylinder is:
(A) Πr l (B) Πr(l + r) (C) 2Πrh (D) 2Πr



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Answer 1

Answer:

ka hai na (A) 2.5 (B) 1.58 (c) 2.05 (D) 2.25

Step-by-step explanation:

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Answer 2

Answer:

what's is the answer of this question