যদি A:B = 5:4 এবং A:C = 6:5 হয়, তবে, C:B = কত?

যদি A:B = 5:4 এবং A:C = 6:5 হয়, তবে, C:B = কত? ?

Created: 1 year ago | Updated: 2 months ago | Created By:

Md Kamal Uddin

24:25

25;24

3:2

কোনটিই নয়

0 7

Institution: জাতীয় কবি কাজী নজরুল ইসলাম বিশ্ববিদ্যালয় (JKKNIU) Exam: গ ইউনিট || জাতীয় কবি কাজী নজরুল ইসলাম বিশ্ববিদ্যালয় || 2012
Topic: বিবিধ, Subject: Business Education (ব্যবসায় শিক্ষা)

Best Answer Explained in Below-:

To solve the ratios given in the question, we need to find the relationship between C and B using the provided ratios.

We know:
1. A:B = 5:4, which can be written as A = 5x and B = 4x for some variable x.
2. A:C = 6:5, which can be rearranged as A = 6y and C = 5y for some variable y.

Since both expressions represent A, we can set them equal to each other:
5x = 6y.

From this, we can express y in terms of x:
y = (5/6)x.

Now substituting this value of y back into the expression for C:
C = 5y = 5 * (5/6)x = (25/6)x.

Now we have all variables in terms of x:
- A = 5x
- B = 4x
- C = (25/6)x.

Next, we need to find the ratio C:B:
C:B = C/B = (25/6)x / 4x.

Simplifying this gives:
C:B = (25/6) / 4 = (25/6) * (1/4) = 25/24.

Thus, we find that the ratio C:B = 25:24, which corresponds to option B. Hence, the correct answer is indeed B) 25:24.

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যদি A:B = 5:4 এবং A:C = 6:5 হয়, তবে, C:B = কত? ?

০.০২৫-এর ১% সমান কত

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