Mathematics · Quantitative Aptitude

Ratios and Proportions

302 Questions

Ratios and proportions deal with comparing two or more quantities and finding their relationships. The questions involve calculating compound ratios, duplicate ratios, and solving proportional equations. This topic is a crucial part of the mathematics and quantitative aptitude sections in competitive exams.

compound ratiosduplicate ratiosproportion equationssimple ratio calculationscombining multiple ratios

Ratios and Proportions Questions

Multiple choice
  1. percentage, rate, proportion.

  2. percentage only

  3. rate and proportion

  4. rate only

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Right answer because we can express ratio in percentage, rate ,and proportion only. So it is the right answer.

Multiple choice
  1. One variable

  2. Two or more variables

  3. No need of variables

  4. Less then two variables

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Right answer because we can find any ratio with the help of two or more variables. So it is the right answer.

Multiple choice
  1. 2:4

  2. 3:4

  3. 2:3

  4. 3:5

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The official ratio of the Indian National Flag's width to its length is 2:3. This means if the flag is 2 units wide (in the shortest dimension), it must be 3 units long (in the longest dimension). This ratio is specified in the Flag Code of India. The other ratios (2:4, 3:4, 3:5) do not match the official specification.

Multiple choice
  1. 3 : 2

  2. 3 : 4

  3. 4 : 2

  4. 5 : 4

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

3 : 2 The diameter of this Chakra is three-fourths of the height of the white strip. The ratio of the width of the flag to its length is 2:3. The flag is also the Indian Army's war flag, hoisted daily on military installations

Multiple choice
  1. ratio = boys/girls;

  2. ratio = girls/boys;

  3. ratio = (float) girls/boys;

  4. ratio = (float) boys/girls;

  5. ratio = float boys/girls;

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Cast operator is required to convert the boys/girls calculation in decimal precision. Cast operator can be used to explicitly convert the value of an expression to a different data type.

Multiple choice
  1. Hit ratio = number of hits/number of misses

  2. Hit ratio = number of misses/number of hits

  3. Hit ratio = (1-number of hits)/number of misses

  4. Hit ratio = (1 - number of hits)/(number of misses + number of hits)

  5. Hit ratio = number of hits/(number of misses + number of hits)

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct answer because the numerator should be ''number of hits'', and denominator should be ''number of misses + number of hits''.