The question is of reading comprehension. It says: "Find the correct result" And the only correct result is: 5. That is 4 + 1 = 5. The rest are false results.
Now you have to put it in your state deleting this first part of explanation.
Find the correct result Remember that the math is exact.
1 + 4 = 5
2 + 5 = 12
3 + 6 = 21
5 + 8 = .......
Answers
Answered by
48
★1 + 4 = 5
1 + 4 × 1
1 + 4
5
★ 2 + 5 = 12
2 + 5 × 2
2 + 10
12
★ 3 + 6 = 21
3 + 6 × 3
3 + 18
21
HENCE,
★ 5 + 8 = ?
5 + 8 × 5
5 + 40
45
1 + 4 × 1
1 + 4
5
★ 2 + 5 = 12
2 + 5 × 2
2 + 10
12
★ 3 + 6 = 21
3 + 6 × 3
3 + 18
21
HENCE,
★ 5 + 8 = ?
5 + 8 × 5
5 + 40
45
Answered by
10
Answer:
45
Step-by-step explanation:
Given The question is of reading comprehension. It says: "Find the correct result" And the only correct result is: 5. That is 4 + 1 = 5. The rest are false results.
1 + 4 = 5
2 + 5 = 12
3 + 6 = 21
5 + 8 = .......
So we need to find the number. We can do it as
1 + 4 x 1 = 5
2 + 5 x 2 = 12
3 + 6 x 3 = 21
4 + 7 x 4 = 32
5 + 8 x 5 = 45
This was of the form p + q = p + pq or p(1 + q ).
Thus the number is 45
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