Number System: Level 1 Test – 2

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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

Question 3

Find the sum of the place value of 3 in 503535