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The mean proportional between 1.4 gms and 5.6 gms is
- a)28 gms
- b)2.8 gms
- c)3.2 gms
- d)none of these
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
The mean proportional between 1.4 gms and 5.6 gms isa)28 gmsb)2.8 gmsc...
25 Let 1.4 gms, x gms and 5.6 gms be in continuous proportion.
(Mean proportional termZ)^2 = Product of extremes. Therefore x^2 = 1.4 x 5.6
therefore x^2 = 7.84 therefore x= 2.8 gms
Most Upvoted Answer
The mean proportional between 1.4 gms and 5.6 gms isa)28 gmsb)2.8 gmsc...
Finding the Mean Proportional
To find the mean proportional between two numbers, we need to take the square root of their product. In other words, if a and b are two numbers, then their mean proportional x is:
x = √(ab)
Given that the two numbers are 1.4 gms and 5.6 gms, we can find their mean proportional as follows:
x = √(1.4 × 5.6)
= √7.84
= 2.8 gms
Therefore, the correct answer is option B) 2.8 gms.
To find the mean proportional between two numbers, we need to take the square root of their product. In other words, if a and b are two numbers, then their mean proportional x is:
x = √(ab)
Given that the two numbers are 1.4 gms and 5.6 gms, we can find their mean proportional as follows:
x = √(1.4 × 5.6)
= √7.84
= 2.8 gms
Therefore, the correct answer is option B) 2.8 gms.
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The mean proportional between 1.4 gms and 5.6 gms isa)28 gmsb)2.8 gmsc)3.2 gmsd)none of theseCorrect answer is option 'B'. Can you explain this answer?
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