Question

A box with lid is in the form of a cuboid.its length,breadth,and height are respectively 1 m 30 cm,75 cm and 20 cm. Find the cost of painting is outer surface at the rate of ₹4per cm​

Answer 1

पता है!!

आपकी और मेरी

मुस्कान में क्या फ़र्क है ..?

आप

खुश होकर मुस्कुराते हो,

और मैं आप को

खुश देखकर मुस्कराता हूँ

और

दुआ करता हूँ

आप खुश रहे ताकि, मेरी

मुस्कराहट यूं ही बनी रहे.

Answer 2

Answer:

a box with lid is in this form of cuboid

its length = 1 m 30 cm

1m = 100 cm

its breadth = 75 cm

its height = 20 cm

the surface area of cubiod = 2 ( hl+ bl +bh )

2 ( 20×130×75×130+75×20)

2× 13850

55400 Rs

painting outer surface at the rate of 4 rupees

= 4 × 55400

= 221600 Rs per cm . sq

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