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?

Solution

Marks in
drawing = 50

Marks in
Biology = B = 25% (B + M + D) - 20

Ãž 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:

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:

Solution

Difference
of votes = 52%x - (48%x + 68) = 98

4%x = 166
Ãž 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?

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?

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}