Olympiad – Class VI – Mathematics - Ratio and Proportion

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Question - 1

Identify the ratio of 4 seconds and \(\frac { 1 }{ 4 } \) minute from the following

  • A 4:15
  • B 1:4
  • C 15:4
  • D 1:16

Question - 2

A poster is 1.5 m long and 75 cm wide. Which of the following is the ratio (in lowest terms) of the length and perimeter of the poster?

  • A 150:450
  • B 1:3
  • C 150:225
  • D 3:1

Question - 3

The length and width of a tape are 2 m and 28 cm.What is their ratio?

  • A 100: 14
  • B 7:50
  • C 50:7
  • D 1:8

Question - 4

What is the new ratio obtained by adding 4 to the antecedent and 2 to the consequent of the ratio 3:8?

  • A 5:12
  • B 10:7
  • C 12:5
  • D 7:10

Question - 5

In a cricket coaching camp,1200 children are trained out of which 900 are selected for various matches.W hat is the ratio of non-selected children to the total number of children?

  • A 300:120
  • B 4:1
  • C 1:4
  • D 120:300

Question - 6

What is the condition for two ratios to be equal?

  • A Product of means is equal to antecedents.
  • B Product of extremes is equal to consequents.
  • C Antecedents are equal to consequents.
  • D Product of means is equal to product of extremes.

Question - 7

What are the extremes of the proportion 9 : 3:: 36: 12

  • A 9,3
  • B 36,12
  • C 3,36
  • D 9,12

Question - 8

What is the value of x in 12 : 3:: x: 1?

  • A \(\frac { 1 }{ 4 } \)
  • B 1
  • C 4
  • D 5

Question - 9

Which of the following is a proportion?

  • A 3,27,9,9
  • B 5,11,15,44
  • C 3,5,15,25
  • D 4,3,36,18

Question - 10

What is the Simplest form of the ratio 144:28?

  • A 28: 4
  • B 36: 7
  • C 7: 36
  • D 1 : 2
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