Hello and welcome to exampundit. Here is a set of Quantitative Aptitude Questions based on Mixed Problems.
1. Three equal cubes are placed adjacently in a row. Find the ratio of total surface area of the new cuboid to that of the sum of the surface areas of the three cubes?
(a) 1 : 3
(b) 7 : 9
(c) 3 : 7
(d) 2 : 3
(e) None of these
2. The outer circumference of a circular track is 220 m. The track is 7 m wide everywhere. Calculate the cost of levelling the track at the rate of 50 paisa/square meter?
(a) Rs 1925
(b) Rs 1293
(c) Rs 673
(d) Rs 793
(e) None of these
3. Varun’s project report consists of 25 pages each of 60 lines with 75 characters on each line. In case the number of lines is reduced to 55 but the number of character is increased to 90 per lines. What is the percentage change in the number of pages? (Assume the number of pages to be a whole number.)
(a) –12 %
(b) – 8%
(c) + 12%
(d) + 8 %
(e) None of these
4. A, B, C enter into a partnership with share in the ratio 7/2 : 4/3 : 6/5. After 4 months, A increases his share by 50%. If the total profit at the end of one year be Rs 43200, then C’s share in the profit is –––
(a) Rs 4200
(b) Rs 3686
(c) Rs 7200
(d) Rs 8640
(e) None of these
5. A can do a piece of work in 16 days. He works at it for 4 days and then B finishes it in 10 more days. In how many days will A and B together finish the work ?
(a) 7 1/2 days
(b) 11 2/3 days
(c) 7 3/11 days
(d) 9 3/7 days
(e) None of these
6. There are 25 points on a plane of which 7 are collinear. How many triangles formed from these points?
(a) 2265
(b) 4600
(c) 2300
(d) 2687
(e) None of these
7. There are 17 buses running between Kolkata and Siliguri. In how many ways can a man go to Siliguri and return by a different bus?
(a) 289
(b) 197
(c) 272
(d) 34
(e) None of these
8. Without stoppage, a train travels at an average speed of 90 km/hr and with stoppages it covers the same distance at an average speed of 75 km/hr. How many minutes per hour does the train stop ?
(a) 12 minutes
(b) 8 minutes
(c) 7 minutes
(d) 11 minutes
(e) None of these
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