please ans my question
Answers
Answer:
5
Step-by-step explanation:
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Class 11
>>Applied Mathematics
>>Numerical Applications
>>Mensuration
>>Daniel is painting the walls and ceiling
Question
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Daniel is painting the walls and ceiling of a cuboidal hall with length, breadth and height of 15 m , 10 m and 7 m respectively. From each can of paint 100 sq metre of area is painted. How many cans of paint will she need to paint the room ?
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Solution
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Area to be painted = area of the walls + area of ceiling
=2(hl+hb)+lb
=[2×(7×15+7×10)+(15×10)]=500 sq m
No. of cans required =
100
500
=5
Hence, 5 cans are required to paint the walls and the ceiling of the cuboidal hall
Answer:
2525
Step-by-step explanation:
125 ×25 =2525₹
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