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BIO-VISION

NTSE-MOCK-TEST-71-MAT

Question 1 of 10

A merchant bought 5 pens each at Rs. 8 and some more pens at Rs.6 each. He sold all the pens at Rs. 7 each and earns a total profit of Rs.10.How many pens were bought by the merchant at Rs. 6?
20
10
25
15

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