The cost of painting the curved surface area of a cylindrical pillar of height 10 m and radius 3.5 m at the rate of ₹ 10 per sq. meter is :
(Take pi= $\frac{22}{7}$ )

₹ 2200

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₹ 3200

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₹ 2000

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₹ 3000

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Solution

The correct option is A ₹ 2200
Curved Surface area of the pillar = 2πrh

$= 2 \times \frac{22}{7} \times 3.5 \times 10$

$= 220 m^{2}$

So, the total cost = CSA of pillar $\times$ Cost per m $^{2}$ = ₹ 220 $\times$ 10 = ₹ 2200.

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Similar questions

The cost of painting the curved surface area of a cylindrical pillar of height 10 m and radius 3.5 m at ₹ 10 per sq. meter is:
(Take pi= $\frac{22}{7}$ )

The cost of painting the curved surface area of a cylindrical pillar of height 10 m and radius 3.5 m at ₹ 10/- per sq. meter is ₹ 2200/-.
( $u s e π = \frac{22}{7}$ )

A cylindrical pillar is 50 cm in diameter and 3.5 m in height. Find the cost of painting the curved surface of the pillar at the rate of ₹ 12.50 per $m^{2} . [A s s u m e π = \frac{22}{7}]$

The cost of painting the curved surface area of a cylindrical pillar of height 10 m and radius 3.5 m, at Rs.10 per sq. meter is Rs. 2200.
(Take pi= $\frac{22}{7}$ )

The cost of painting curved surface area of a cylindrical pillar of height $10 m$ and radius $3.5 m$ at $Rs. 10$ per sq. meter is $Rs. 2200.$
$(Take π = \frac{22}{7})$

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The cost of painting the curved surface area of a cylindrical pillar of height 10 m and radius 3.5 m at the rate of ₹ 10 per sq. meter is : (Take pi=227)

The correct option is A ₹ 2200Curved Surface area of the pillar = 2πrh =2×227×3.5×10 =220 m2 So, the total cost = CSA of pillar × Cost per m2 = ₹ 220 × 10 = ₹ 2200.

The cost of painting the curved surface area of a cylindrical pillar of height 10 m and radius 3.5 m at the rate of ₹ 10 per sq. meter is :
(Take pi= $\frac{22}{7}$ )

The correct option is A ₹ 2200
Curved Surface area of the pillar = 2πrh

$= 2 \times \frac{22}{7} \times 3.5 \times 10$

$= 220 m^{2}$

So, the total cost = CSA of pillar $\times$ Cost per m $^{2}$ = ₹ 220 $\times$ 10 = ₹ 2200.