Question

Two pens&one book cost is 40rs,and 3pens, 1book cost is 70rs then one book, one pen value is? ​

Answer 1

Answer:

Cost of one pen is ₹ 30

Step-by-step explanation:

We certainly notice that in Price increase = 30 , and pen increase is 1

So , Price of pen is ₹ 30

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