Subject :IMO Class : Class 5
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Subject :IMO Class : Class 6
Ans 2:
Class : Class 9
let each pencil costs x. So 5 pencil costs 5x
Therefore 70-5x = y
or -5x= y-70
or 5x=70-y
or x= (70-y)/5
Ans 3:
Class : Class 9
let each pencil costs x. So 5 pencil costs 5x
Therefore 70-5x = y
or -5x= y-70
or 5x=70-y
or x= (70-y)/5
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Subject :IMO Class : Class 5
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Subject :IMO Class : Class 6
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Subject :IMO Class : Class 1
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Subject :IMO Class : Class 5
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Subject :IMO Class : Class 4
Ans 1:
Class : Class 7
Actually I checked in New Guided Mathematics book 5 and I got formula for answer is 2*(L*B). So you can refer to this book. KEY - *= multiplication sign; L= length; B=breadth
Ans 12:
Class : Class 7
The answer is A as the breadth of the rectangle is 2 cm. The length of the rectangle is 5 so 2 minus 5 is 3 and if we divide it into two parts it is 2 and 1. So we need to plus 2,2,2,1,2,1,1,2,1,2,2,2 for the answer. The answer after adding these numbers is 20
Ans 14:
Class : Class 7
Answer is correct but how? For this Question check the solution from SOF website or from your IMO Workbook. Actually I am not SOF and I myself did not understand how A
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Subject :IMO Class : Class 1