Quantitative Aptitude

1. The expenses of a hotel consist of two parts. One part varies with the number of inmates while the other is constant. When the number of inmates is 200 and 250, the expenses are respectively Rs. 1300 and Rs. 1600. Then, the expenses for 300 inmates are:                                                                                (2)

1. (1) Rs. 1800
2. (2) Rs. 1900
3. (3) Rs. 2000
4. (4) Rs. 2100
5. (5) None of these

2. A student bought 4 books for Rs. 120 from one books shop and 6 books for Rs. 150 from another. The average price (in rupees), he paid per book was:                                                                                         (1)

1. (1) 27
2. (2) 27.50
3. (3) 135
4. (4) 138
5. (5) None of these

3. The average weight of a group of 20 boys was calculated to be 89.4 kg and it was later discovered that one weight was misread as 78 kg instead of the correct one of 87 kg. The correct average weight is:               (4)

1. (1) 88.95 kg
2. (2) 89.25 kg
3. (3) 89.55 kg
4. (4) 89.85 kg
5. (5) None of these

4. A starts business with a capital of 2400. B and C joins with some investment after 6 months and 3 months respectively. If at the end of the year they earn profit of 4 : 5 : 3 respectively. What is C’s investment in the Business?                                                                                                                              (4)

1. (1) 6000
2. (2) 7000
3. (3) 8000
4. (4) 7200
5. (5) None of these

5. Aditya, Rahul and Ravi rented a house for a year. Aditya stayed for 4 months only. Rahul left after 8 months. Ravi stayed there for entire year. Find the share of rent of Rahul if total rent was Rs 9000 a year.               (1)

1. (1) 3000
2. (2) 2000
3. (3) 1000
4. (4) 500
5. (5) None of these