alleryStart learning →3 pens and 2 notebooks cost Rs 70; 1 pen and 2 notebooks cost Rs 50. One notebook costs
ARs 20
BRs 25
CRs 15
DRs 10
Answer & Solution
Correct answer: A. Rs 20
Subtracting gives 2 pens = Rs 20, so a pen is Rs 10 and 2 notebooks cost Rs 40, i.e. Rs 20 each.
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