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easyMCQStaff Selection Commission2026Quantitative Aptitude
1 mark

What is the mean proportional of 45x
4
and 5y
2
?

  1. A
    5x
    2
    y
  2. B
    25x
    4
    y
  3. C
    15x
    2
    y
  4. D
    45x
    2
    y
    2

Solution & Step-by-step Explanation

The mean proportional between two terms A and B is given by
A×B

​
.

Here, A=45x
4
and B=5y
2
.

Mean Proportional=
45x
4
×5y
2


​

Mean Proportional=
225×x
4
×y
2


​

Mean Proportional=15x
2
y

Practice this question

Try it yourself before checking the explanation above.

What is the mean proportional of 45x
4
and 5y
2
?
A
5x
2
y
B
25x
4
y
C
15x
2
y
D
45x
2
y
2

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Ratio and ProportionMean Proportional

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