Subject :IMO Class : Class 3
Subject :IMO Class : Class 9
Ans 1:
Class : Class 9
It is 74 itself. Think of it like this: You have Rs. 9.7 with you and you want to buy as many chocolates as possible. In such a case, you can buy only 4 chocolates, as you are short of Rs. 0.3. Dividing 9.7 by 2 gives 4.85 that can be approximated to 5, which is wrong as 5 chocolates require Rs. 10 (you need Rs. 0.3 more). So, you can use the amount less than or equal to what you have with you.
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Subject :IMO Class : Class 5
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Subject :IMO Class : Class 1
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Subject :IMO Class : Class 3
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Subject :IMO Class : Class 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 7
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Subject :IMO Class : Class 2
Ans 2:
Class : Class 2
Cost of 2 clocks = 2 x 97 = Rs 194Cost of 2 clocks and a watch = Amount he gave to cashier - Amount he received as change = 250 - 12 = 238Cost of watch = 238 – 194 = Rs 44Close
Ans 3:
Class : Class 2
Cost of 2 clocks = 2 x 97 = Rs 194Cost of 2 clocks and a watch = Amount he gave to cashier - Amount he received as change = 250 - 12 = 238Cost of watch = 238 – 194 = Rs 44Close