Question

225 : 257 :: 289:?(A) 301(B) 316(C) 320(D) 325CAN ANYONE SOLVE THIS QUES.​

Answer 1

Answer:

225 = 257 .

By adding in 2 first digit =5=7,, and then plus 3 in 2 = 5....... 257.

257= 289 .

By adding 3and 2 same as above. To 7=9 and to 5=8.

So answer.. 289= 320..,

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Answer 2

Answer: 325

Step-by-step explanation:

225= 15 ^2

257= (15+1)^2+1

SIMILARLY 289= 17^2SO ANSWER IS (17+1)^2+1

ON SOLVING 325

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