CA Foundation Exam > CA Foundation Questions > Find the missing letters3,9,27,81,......a)243...
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Find the missing letters
3,9,27,81,......
- a)243
- b)324
- c)342
- d)432
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Find the missing letters3,9,27,81,......a)243b)324c)342d)432Correct an...
Pttern is 3,3×3,9×3,27×3......
∴ Misssing number = 81×3=243
∴ Misssing number = 81×3=243
Most Upvoted Answer
Find the missing letters3,9,27,81,......a)243b)324c)342d)432Correct an...
To find the missing letters in the sequence 3, 9, 27, 81, we can look for a pattern or a rule that governs the sequence.
Pattern:
If we observe the given sequence carefully, we can see that each number is obtained by multiplying the previous number by 3.
Let's break down the sequence into steps to understand the pattern:
1. The first number in the sequence is 3.
2. To get the second number, we multiply the first number (3) by 3, which gives us 9.
3. To get the third number, we multiply the second number (9) by 3, which gives us 27.
4. To get the fourth number, we multiply the third number (27) by 3, which gives us 81.
Thus, the pattern in the sequence is that each number is obtained by multiplying the previous number by 3.
Using the pattern to find the missing number:
Now that we have identified the pattern, we can apply it to find the missing number in the sequence.
To find the fifth number, we need to multiply the fourth number (81) by 3:
81 * 3 = 243
Therefore, the missing number in the sequence is 243.
Answer:
The missing number in the sequence 3, 9, 27, 81, is 243.
Thus, option 'A' - 243 is the correct answer.
Pattern:
If we observe the given sequence carefully, we can see that each number is obtained by multiplying the previous number by 3.
Let's break down the sequence into steps to understand the pattern:
1. The first number in the sequence is 3.
2. To get the second number, we multiply the first number (3) by 3, which gives us 9.
3. To get the third number, we multiply the second number (9) by 3, which gives us 27.
4. To get the fourth number, we multiply the third number (27) by 3, which gives us 81.
Thus, the pattern in the sequence is that each number is obtained by multiplying the previous number by 3.
Using the pattern to find the missing number:
Now that we have identified the pattern, we can apply it to find the missing number in the sequence.
To find the fifth number, we need to multiply the fourth number (81) by 3:
81 * 3 = 243
Therefore, the missing number in the sequence is 243.
Answer:
The missing number in the sequence 3, 9, 27, 81, is 243.
Thus, option 'A' - 243 is the correct answer.
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Find the missing letters3,9,27,81,......a)243b)324c)342d)432Correct answer is option 'A'. Can you explain this answer?
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