Quantitative Aptitude

General Questions 3

11.  In a town 25% families own a phone and 15% own a car, 65% families own neither a phone nor a car. 2000 families own both a phone and a car. Consider the following statement in this regard.

(i) 10% families own both a car and a phone.

(ii) 35% families own either a car or a phone.

(iii) 40000 families live in the town.

Which of the above statement are correct?

A. I and II
B. I and III
C. II and III
D. I, II and III
12.  The price of rice is reduced by 5%. How many kilograms of rice can now be bought for the money, which was sufficient to buy 50 kg of rice earlier?

A. 52.63 kg
B. 50.40 kg
C. 42.30 kg
D. 60.50 kg
13.  In a class -X of 30 students, 24 passed in first class; in another class -Y of 35 students, 28 passed in first class. In which class was the percentage of students first class more?

A. Class X has more percentage of students getting first class
B. Class Y has more percentage of students getting first class
C. Both classes have equal percentage of students getting first class
D. None of the above
14.  In an examination, 49% students failed in English, 36% students failed in Hindi, While 15% failed in both. If total number of passed students in 450, then how many students did appear in the examination?

A. 1800
B. 2000
C. 1100
D. 1500
E. None of the above
15.  A student was asked to measure the length and breadth of a rectangle. By mistake, he measured the length 20% less and the breath 10% more. If it’s original area is 200 sq cm, then find the area after this measurement?

A. 176 sq cm
B. 206 sq cm
C. 226 sq cm
D. 316 sq cm