# Ratios and Proportions

Ratios and Proportions: Proportions meaning, Aptitude Test Exercise Questions with Answers on Ratios and Proportions

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## Online Aptitude Questions with Answers on Ratios and Proportions

Q116. **If p, q and r are positive integers and satisfy x = (p + q -r)/r = (p - q + r)/q = (q + r - p)/p, then the value of x is?**

1.  1/2
2.  1
3.  -1/2
4.  -1

Solution : 1
Q117. **What is the least number to be subtracted from 11, 15, 21 and 30 each so that resultant numbers become proportional?**

1.  1
2.  2
3.  3
4.  4

Solution : 3
Q118. **Find the mean proportional of the following pairs of numbers 6 and 24.**

1.  8
2.  12
3.  16
4.  18

Solution : 12
Q119. **Find the mean proportional of the following pairs of numbers 50 and 512.**

1.  80
2.  120
3.  160
4.  200

Solution : 160

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Q120. **A gardener wants to plant trees in his garden in rows in such a way that the number of trees in each row to be the same. If there are 24 rows the number of trees in each row is 42 if there are 12 more rows find the number of trees in each row?**

1.  63
2.  28
3.  48
4.  32

Solution : 28
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