Question

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Answer 1

the answer is 15 as 25+17=42 and it is divisible by 6 × 7.The second number is 38+18=56 and it is divisible by 8 ×7 and last 89+16=105 and is 15×7

Answer 2

Hey there!

Following a simple method here

Add the numbers on the either side and divide the sum by the no. 7

The resulting number will be the bottom one

1st case: numbers given: 25,17,6

25+17=42

42/7=6

2nd case: numbers given:38,18,8

38+18=56

56/7=8

Similarly;

3rd case: numbers given:89,16,?

89+16=105

105/7= 15

Therefore, accordingly option (b) is the right one!