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Number System: Level 1 Test - 2

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Question 1

A tin of oil was 4/5 full. When six bottles of oil were taken out and four bottles of oil were poured into it, it was 3/4 full. How many bottles of oil can it contain?

A

20

B

10

C

30

D

40

Question 1 Explanation:

Let the tin oil contain x number of bottles. (4/5)x – 6 + 4=(3/4)x x/20 = 2 x= 40 bottles

Question 2

To win an election, a candidate needs 3/4 of the votes cast. If after 2/3 of the votes have been
counted, a candidate has 5/6 of counted votes. Then what part of the remaining votes does he still need to ensure that he wins?

A

1/8

B

7/12

C

1/4

D

3/8

Question 2 Explanation:

Let total number of votes cast be x. Total number of counted votes =2/3 x Votes that a candidate got = 5/6 . 2/3 x=5/9x Votes still need to win = 3/4x-5/9x=7/36x Remaining uncounted votes= 1/3 x Required part 7/36.3/1=7/12