A ek kaksha me 10 Chhatro ke samooh ka ausat ank hai aur A+8 ,15 Chhatro ke samooh ka ausat ank hai jisme diye gye 10 Chhatro ka samooh bhi shamil hai .10 Chhatro ke samooh dwara prapt kul ank X hai . 15 Chhatro ke samooh dwara prapt kul ank Y hai to A+X+Y ka maan btaiye

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