Question
Manu paid ₹(240 + 600) for a dozen of spinners. What is the cost of 9 spinners?
Answer: Option B
:
B
A dozen = 12
Cost of 12 spinners =₹(240+600)=₹840
∴ Cost of 1 spinner =84012=₹70
⇒ Cost of 9 spinners =70×9=₹630
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:
B
A dozen = 12
Cost of 12 spinners =₹(240+600)=₹840
∴ Cost of 1 spinner =84012=₹70
⇒ Cost of 9 spinners =70×9=₹630
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