Rational Numbers Test

Result

Rational Numbers Test - 2

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
1 / -0

Ana decorated her house wall using three colours. She painted 1/7 of the wall in yellow, 3/5 of the wall in pink and remaining portion of the wall in cream. What portion of the wall is painted in cream?

A
7/41

B
9/35

C
6/19

D
5/29

Solution

Let the whole wall be represented by 1.

Now, part of wall painted in cream = 1 - (1/7 + 3/5) = 1 - (5/35 + 21/35) = 1 - 26/35 = 9/35
So, 9/35 of the wall is painted in cream.
Question 2
1 / -0

5/14 of people in a wedding ceremony are wearing a red-coloured outfit, 7/15 are wearing a blue-coloured outfit, and 9/16 are wearing a green-coloured outfit. If there are total 1680 people in the wedding who wearing red, green, or blue coloured outfit, then how many of them are wearing a blue-coloured outfit?

A
784

B
600

C
945

D
785

Solution

People wearing red outfit = 5/14 × 1680 = 600
People wearing blue outfit = 7/15 × 1680 = 784
People wearing green outfit = 9/16 × 1680 = 945