## Percentage Quiz-3

Maths is an important subject in CLAT,DULLB & Other Law Exams. In any of law exam, Maths carries weightage of 20 -25 % of questions. With focused practice good marks can be fetched from this section. These questions are very important in achieving your success in CLAT, DULLB and Other Law Exams..

Q1.As marks in biology are 20 less than 25% of the total marks obtained by him in Biology, Mathematics and Drawing. If his marks in Drawing be 50, what are his marks in mathematics?

•  40
•  45
•  50
•  Can’t be determined
Solution
Marks in drawing = 50
Marks in Biology = B = 25% (B + M + D) - 20
Þ 0.75B = 0.25M – 7.5

Therefore, Cannot be determined

Q2. In an election between two candidates, one got 55% of the total valid votes. 20% of the votes were invalid. If the total number votes were 7500, the number of valid votes that the other candidates got was:

•  2700
•  2900
•  3000
•  3100
Solution
Valid votes = 80% x 7500 = 6000

Other candidate votes = 45% x 6000 = 2700

Q3. At an election involving two candidates, 68 votes were declared invalid. The winning candidate scores 52% and wins by 98 votes. The total number of votes polled is:

•  2518
•  2450
•  2382
•  None of these
Solution
Difference of votes = 52%x - (48%x + 68) = 98

4%x = 166      Þ x = 4150

Q4. Pranav spent 30% of his salary on food 15% on clothing and 20% on other expenditure. If he saves Rs. 280 a month, what is his monthly salary?
•  700
•  800
•  900
•  1000
Solution
Saving = 100 - 30% - 15% - 20%
= 35% = 280

Salary = 280/ 35% = 800

Q5. A sum of Rs. 700 was distributed among 4 people, such that B gets 20% more than A, and C gets 30% more than B. If D gets Rs. 136, how much does C get?

•  431
•  214
•  234
•  344
Solution
B = 1.2A and C = 1.3B
700 = A + B + C + D =
[{c/(1.2 x 1.3)}+(c/1.3)}] + c + 136

=C{(1.56+1.2+1)/1.56} + 136          \ C ={(362x1.56)/3.76}