Advertisements
Advertisements
Question
Write the natural numbers from 102 to 113. What fraction of them are prime numbers?
Advertisements
Solution
Natural numbers from 102 to 113 are
102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113
Total number of natural numbers given = 12
Number of prime numbers = 4 [103, 107, 109, 113]
∴ Required Fraction = `4/12 = 1/3`
RELATED QUESTIONS
Solve: `2 - 3/5`
A rectangular sheet of paper is 12 `1/2` cm long and 10 `2/3` cm wide Find its perimeter.
Classify, the fraction is given below, as decimal or vulgar fraction, proper or improper fraction and mixed fraction:
`13/20`
Add the following fractions:
`1 7/8,1 1/2` and `1 3/4`
Show that `3/7` lies between `2/5` and `5/7`.
Now you write some questions by looking at this picture.
The fraction represented by the shaded portion in the adjoining figure is `3/8`.
Write the fraction represented by the unshaded portion of the adjoining figure:
What fraction of an hour is 40 minutes?
A fraction is said to be in its "simplest form" when:
