percentage Model Questions & Answers, Practice Test for ssc cgl tier 2
A student scored 30% marks in the first paper of Physics out of 180 marks. He has to get an overall score of at least 50% in two papers. The second paper is carrying 150 marks. The percentage of marks he should score in the second paper to get the overall average score is:
Answer: (d)
Let he should score in second paper be x
According to question
30% of 180 + x% of 150 = 50% of (180 + 150)
⇒ 54 + x % of 150 = 165
⇒ x % of 150 = 111
⇒$x = {111 × 100}/150 = 74%$
Two persons contested an election of Parliament. The winning candidate secured 57% of the total votes polled and won by a majority of 42,000 votes. The number of total votes polled is
Answer: (d)
% of votes secured by second candidate
= (100 – 57) = 43%
Let total votes polled be x.
According to question,
(57 – 43)% of x = 42000
14% of x = 42000
⇒ x = 3,00,000
35 percent of a number is two times 75 percent of another number. What is the ratio between the first and the second number respectively?
Answer: (e)
Let the 1st number be x & the IInd number be y.
35% of x = 2 × 75% of y
${35x}/100 = {150y}/100$
$x/y = 150/35 = 30 : 7$
$7/8$ of 248 + 20% of 110 = ?
Answer: (d)
? = $248 × 7/8 + 110 × 20/100$
= 217 + 22 = 239
What should come in place of the question mark so that it satisfies equality of the equation? 32 % of 750 < ?
Answer: (c)
98% of 250 = 245 &
32% of 750 = 240
∴ 32% of 750 < 98% of 250.
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