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यदि a: b : c = 2: 3: 4 तथा 2a – 3b + 4c = 33, तो C का मान होगा-
- a)6
- b)9
- c)12
- d)66/7
Correct answer is option 'C'. Can you explain this answer?
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यदि a: b : c = 2: 3: 4 तथा 2a – 3b + 4c = 33, तो C का मान होगा-a)6b)9c...
Given: a: b : c = 2: 3: 4 and 2a – 3b + 4c = 33
To find: value of c
Approach:
Let's assume that the common ratio of a, b, and c is k.
So, a = 2k, b = 3k, and c = 4k.
Now we can substitute these values in the given equation to get the value of k, which will help us to find the value of c.
Calculation:
2a – 3b + 4c = 33
2(2k) – 3(3k) + 4(4k) = 33 [Substituting the values of a, b, and c]
4k – 9k + 16k = 33
11k = 33
k = 3
Substituting the value of k in c = 4k, we get:
c = 4(3) = 12
Hence, the value of c is 12.
Final Answer: Option C.
To find: value of c
Approach:
Let's assume that the common ratio of a, b, and c is k.
So, a = 2k, b = 3k, and c = 4k.
Now we can substitute these values in the given equation to get the value of k, which will help us to find the value of c.
Calculation:
2a – 3b + 4c = 33
2(2k) – 3(3k) + 4(4k) = 33 [Substituting the values of a, b, and c]
4k – 9k + 16k = 33
11k = 33
k = 3
Substituting the value of k in c = 4k, we get:
c = 4(3) = 12
Hence, the value of c is 12.
Final Answer: Option C.
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यदि a: b : c = 2: 3: 4 तथा 2a – 3b + 4c = 33, तो C का मान होगा-a)6b)9c...
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यदि a: b : c = 2: 3: 4 तथा 2a – 3b + 4c = 33, तो C का मान होगा-a)6b)9c)12d)66/7Correct answer is option 'C'. Can you explain this answer?
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