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Ajay has 20 pens and 18 pencils with him. Number of pens Aman has is four less than thrice the number of pencils Ajay has, while number of pens with Akriti is average of the pens with Ajay and Aman. How many pens Akriti has?

Ajay has 20 pens and 18 pencils with him. Number of pens Aman has is four less than thrice the number of pencils Ajay has, while number of pens with Akriti is average of the pens with Ajay and Aman. How many pens Akriti has? Correct Answer 35

⇒ Number of pens with Ajay = 20

⇒ Number of pencils with Ajay = 18

⇒ Number of pens with Aman = 3 × 18 – 4 = 50

⇒ Number of pens with Akriti = (20 + 50)/2 = 35

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