Raman gave a certain amount to his son Ritesh for buying some pens and pencils. With this amount Ritesh can purchase either 10 pens or 30 pencils. Ritesh bought a chocolate with 10% of total amount and purchased 7 pens. How many pencils he can purchase with rest of the money.

Let, total amount Ritesh has = Rs. 30 (LCM of 10 and 30). [if gte msEquation 12]>

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