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24 students collected money for donation...

24 students collected money for donation. The average contribution was ₹ 50. Later on their teacher also contributed some money. Now the contribution is ₹ 56. The teacher’s contribution is:
24 छात्रों ने दान देने के लिए धन एकत्रित किया | औसत योगदान 50 रुपये था | बाद में, उनके शिक्षक ने भी कुछ राशि का योगदान दिया | अब योगदान 56 रुपये हो गया है | शिक्षक का योगदान कितना है ?

A

₹ 56

B

₹ 200

C

₹ 106

D

₹ 194

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