Civil Services UPSC EPFO (APFC) Mock Test 2023 Quantitative Aptitude Ratio and Proportion Fourth Proportional

The ratio between fourth proportional to 12, 25, 31 and mean proportional of 25, 121 is

1

136 ∶ 111

2

155 ∶ 132

3

132 ∶ 155

4

123 ∶ 145

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