In an examination, the number of those who passed and the number of those who failed was in the ratio of 3 : 1. Had 48 more appeared, and 8 more failed the ratio of passed to failures would have been 10 : 3. How many students appeared for the examination?

160

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120

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140

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130

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Solution

The correct option is A
160

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Similar questions

Q. In an examination, the number of those who passed and the number of those who failed were in the ratio

25 : 4.

If five more had appeared and the number of failures were

2

less than earlier, the ratio of those passed to failures would be

22 : 3.

The number who appeared at the examination is

In an examination, the ratio of passes to failures was 4 : 1. Had 30 less appeared and 20 less passed, the ratio of passes to failures would have been 5 : 1 Find the number of students who appeared for the examination.

Suppose x candidates passed and y failed;
therefore, $\frac{x}{4} = \frac{4}{1} \dots (I)$

In the second case: no. of students appeared = x + y - 30 and no. of those who passed = x - 20:

$∴$ No. of failed = $x + y - 30 - (x - 20) = y - 10$

Given: $\frac{x - 20}{y - 10} = \frac{5}{1} \dots (I I)$

Q. In an examination, the ratio of passes to failures was 4 : 1. Had 30 less appeared and 20 less passed, the ratio of passes to failures would have been 5 : 1. Find the number of students who appeared for the examination.

Q. In a competitive examination,

84 %

of the candidates passed and

780

failed. Find the number of students who appeared for the examination.

Q. In an examination, 38% of students failed in Science and 33% failed in Maths while 19% failed in both the subjects. If the number of students who passed in only Science is 700, then determine the total number of students who appeared in the examination.

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In an examination, the number of those who passed and the number of those who failed was in the ratio of 3 : 1. Had 48 more appeared, and 8 more failed the ratio of passed to failures would have been 10 : 3. How many students appeared for the examination?

The correct option is A 160

The correct option is A
160