Quantitative Aptitude

General Questions 3

1.  In 1998, ratio of the numbers of students taking examinations in x and z states are respectively 3 : 5 : 6. Next year, the numbers of students are increased by 20%, 10% and 20% respectively. If ratio of the numbers of students in states x and z is 1 : 2, then find the number of students who sit to take examination in 1998.?

A. 5000
B. 6000
C. 75000
D. Data is insuffcient
E. None of the above
2.  In a examination out of 480 students, 85% of the girls and 70% of the boys passed. How many boys appeared in the examination, if total pass percentage was 75% ?

A. 370
B. 340
C. 320
D. 360
3.  The ratio of the number of boys and girls in a school is 3 : 2. If 20% of the boys and 25% of the girls are scholarship holders, then the percentage of the students who do not get the scholarship, is ?

A. 78%
B. 75%
C. 60%
D. 55%
4.  The price of ghee is increased by 32%. Therefore, a family reduces its consumption, so that the increment in price of ghee is only 10%. If consumption of ghee is 10 kg before the increment, then What is the consumption now ?

A. 8(1/3) kg
B. 8(3/4) kg
C. 8(1/2) kg
D. 9 kg
5.  Out of a total 85 children playing badminton or table tannin's or both, total number of girl in the group is 70% of boys in the group. The number of boys playing only badminton is 50% of the number of boys and the total number of boys playing badminton is 60% of the total number of boys. The number of children playing only table tennis is 40% of the total numbers of children and a total numbers of children and a total 12 children play badminton and table tennis both. What is the number of girls playing only badminton?

A. 16
B. 14
C. 17
D. Data inadequate
6.  In a company, 60% of the employees are men. Of these 40% are drawing more than ₹ 50000 per year. If 36% of the total employees of the company draw more than ₹ 50000 per year, then what is the percentage of women who are drawing less than ₹ 50000 per year ?

A. 70%
B. 60%
C. 40%
D. 30%
7.  A student was awarded certain marks in an examination. However, after re-evaluation, his marks were reduced by 40% of the marks that were originally awards to him, so that the new score now became 96. How many marks did the student lose after re-evaluation?

A. 58
B. 68
C. 63
D. 56
E. 64
8.  An alloy of gold and silver weights 50g. It contains 80% gold. How much gold should be added to the alloy, so that percentage of gold is increased to 90 ?

A. 50g
B. 60g
C. 30g
D. 40g
9.  The tank-full of petrol in Arun's motor-cycle lasts for 10 days. If he starts using 25% more every day, how many days will the tank-full of petrol last ?

A. 5
B. 6
C. 7
D. 8
10.  In a class of 40 students and 5 teachers, each student got sweets that are 15% of the total number of students and each teacher got sweets that are 20% of the total number of the students. How many sweets were there?

A. 280
B. 240
C. 320
D. 360