Mathematics - MOST IMPORTANT SSC CHSL Previous Year Questions

In an election, the candidate who gets $\displaystyle 90\%$ votes is elected by a margin of $\displaystyle 800$ votes. What is the total number of votes cast?
Note: Only two candidates are participating in the election and assume all votes are valid.

A total of $\displaystyle 7,50,000$ voter participated in an election. A candidate received $\displaystyle 3,82,500$ votes which was $\displaystyle 60\%$ of the total valid votes. What was the percentage of invalid votes in the election?

In an election between two candidates, one got $\displaystyle 60\%$ of the total valid votes, $\displaystyle 90\%$ of the votes were valid. If the total number of votes was $\displaystyle 12000$, then what was the number of valid votes that the other candidate got?

In an election between two candidates, $\displaystyle 15\%$ of the votes were invalid and one candidate got $\displaystyle 52\%$ of the total valid votes. If the total number of votes was $\displaystyle 8000$, what was the number of valid votes that the other candidate got?

In an election between two candidates, $\displaystyle 10\%$ of the registered voters did not cast their vote. The winning candidate got $\displaystyle 60\%$ of the total votes cast and defeated the other candidate by $\displaystyle 1242$ votes. Find the total number of registered voters.

In an election between two candidates, one got $\displaystyle 65\%$ of the total valid votes. $\displaystyle 20\%$ of the votes were invalid. If the total number of votes was $\displaystyle 7,500$, the number of valid votes that the other candidate got was:

In an election between two candidates, Anant and Arvind, Anant got $\displaystyle 55\%$ of the total valid votes, and $\displaystyle 20\%$ of the votes were invalid. If the total number of votes was $\displaystyle 30,000$, find the number of valid votes that Arvind got.

In an election between two candidates, one got $\displaystyle 60\%$ of the total valid votes and $\displaystyle 15\%$ of the votes were invalid. If the total number of votes were $\displaystyle 8400$, the number of valid votes that the other candidate got were:

Two candidates A and B contested in an election. $\displaystyle 80\%$ of the voter cast their votes, out of which $\displaystyle 2\%$ of the votes were invalid. A got $\displaystyle 9,408$ votes which was $\displaystyle 60\%$ of the valid votes. Find the total number of voters.

In an
election between two candidates, 10% of the voters did not cast their votes
and 5% of the votes polled were found invalid. The successful candidate got
52.5% of the valid votes and won by a majority of 1710 votes. The number of
voters enrolled on the voters list was:

In an election, there were
three candidates: A, B and C. 10% of the eligible voter did not vote. Out of
those who voted, 45% voted for A, 35% voted for B and the remaining 20%
voted for C. 30% of the votes polled for A and 20% of the votes polled for B
were later deemed invalid, while all the votes polled for C were deemed valid.
If A got 882 more valid votes than B did, how many valid votes did C receive?

In an election between two candidates, 30% voters did
not cast their votes and 200 votes were declared invalid. The winner got 65%
of the valid votes. If he won by 1200 votes, then find the total votes.

An election was held between two candidates. The winning
candidate scored 54% of the valid votes and won by 88 votes. If 58 votes were
declared invalid, then find the total number of votes polled in the election.

In a survey
conducted at a university, it was found that 55% of the students like
Mathematics, 45% like Physics, and 30% like both Mathematics and Physics.
Among the remaining students, 25% prefer Computer Science, while the rest have
no preference. If the total number of students surveyed is 800, how many
students had no preference for any of the three subjects?

Ravi initially had a certain number of chocolates, while Bhanu
initially had 80% of the number of chocolates that Ravi initially had. Ravi
gave 10% of his chocolates to his sister while Bhanu received from his uncle
another 35% of the number of chocolates he initially had. If Bhanu finally had
54 chocolates, how many chocolates did Ravi give to his sister?

In a group of 250
persons, 40% are males and 60% are females. If 30 more females join the
group, then what will be the percentage of females in the new group? (Correct
to 2 decimal places)

A person
invests 35% of his income in mutual funds, 25% in fixed deposits, and the
rest in recurring deposits. After 2 years, the mutual funds grow by 20%, fixed
deposits by 10%, and recurring deposits by 15%. If his total income is
₹1,60,000, what is the total percentage return on his entire investment
portfolio after 2 years?

From the salary of a software engineer, if 15% is used
as house rent, 25% of the remaining is spent on household items, 25% of the
remaining as income tax, and 15% of the remaining on clothing, then he is left
with ₹10,404. Find his total salary.

Sum of A and B is
100% more than the sum of C and D. C is 20% more than D. If A is 200% more
than B and D = 500, then what is the value of A?

If decreasing 180 by x% gives the
same result as increasing 60 by x%, then x% of 410 will be more than
(x + 20)% of 210 (correct to two decimal places) by: