Question

5*9=109,
8*11=195,
12*16=403,
13*17=?

Answer 1

Step-by-step explanation:

221

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Answer 2

The answer to given pattern of numbers is: 468

The solutions of numbers in question can be solved in particular patterns. The method to solve the given numbers is explained below.

Firstly, the given numbers are squared. The squares of these numbers are added.

The sum is added with 3 in first and third part, while added with 10 in second part and hence will be added in fourth part.

Solved explaination is as follows-

For 5*9=109

5*5+9*9

25+81

106+3

109

For 8*11=195

8*8+11*11

64+121

185+10

195

For 12*16=403

12*12+16*16

144+256

400+3

403

For 13*17=?

13*13+17*17

169+289

458+10

468

Hence, answer will be 468.