Mani Gupta
from
Carmel Convent School, Faridabad
Subject :IMO Class : Class 8
The figure shows the dimensions of a wall having a window and a door at a room.
Area of wall to be painted at the rate ₹ 5 sq units. If the total cost charged is ₹ 50, then perimeter of wall is ________.
A10 units
B12 units
C14 units
D7 units
Please explain the answer
Ans 2:
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Nipun Abhilash
from
National Public School, Banashankhari, Bangalore
Class : Class 9
Answers is 24 and not in option
Ans 5:
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ARUNAV
from
DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 9
Well, for solving this question, you need to have knowledge of solving quadratic equation. I mean it can be solved by factoring and evaluating, but you must have the idea of solving the question, or basically, how to solve such questions
Ans 6:
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Debarpan Das
from
Delhi Public School , Durgapur
Class : Class 9
Someone please explain this and tell me the answer