যদি J/4 = K/5 = L/3 হয়, তাহলে (L + J)2 : (J + K)2 : (K + L)এর মান কত হবে? 

1
25 : 16 : 9
2
64 : 25 : 81
3
49 : 81 : 62
4
49 : 81 : 64

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