Average Height Of A 07 Member Family. A Is 168 Cm While Average Height Of 05 Member Family B Is 172 Cm. What Is The Combined Average Of Two Families? - Testpoint

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Average height of a 07 member family. A is 168 cm while average height of 05 member family B is 172 cm. What is the combined average of two families?

168.6 cm
168.9 cm
169.6cm
None of these

Explanation

SH7-8-2023

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What is the mode of the following data? 40, 45, 45, 50, 60

40
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What is the average of the numbers from 1 to 40?

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A completes a work in 12 days whereas B completes the same work in 24 days. If both A and B work together, the work will be completed in ____?

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Find the average of 15, 21, and 18?

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A and B invest Rs. 15,000 and Rs. 20,000, respectively, in a business. After 6 months, C invests Rs. 20,000. If the total profit after 2 years is Rs. 25,000, what is B's share of the profit?

Rs. 8,000
Rs. 9,000
Rs. 10,000
Rs. 12,000

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Explanation

Let's calculate using the capital × time method:

A: 15,000 × 24 = 360,000
B: 20,000 × 24 = 480,000
C: 20,000 × 18 = 360,000

Profit ratio = 360,000: 480,000: 360,000

Simplify:
3 : 4 : 3

Total parts = 3 + 4 + 3 = 10

B's share = $frac{4}{10} times 25,000$

= Rs. 10,000

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