Quantitative Aptitude Test 12

Quantitative Aptitude

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1. S varies directly as R, and T varies inversely as R. At some particular time R = 20, S = 40 and T = 10. If S is changed to 20, then the value of T would be equal to:


2. The value of 27-2/3 lies between:


3. The total number of students in the classes I, II and III of a school is 212. If the ratio of the number of students in class I and II is 3 : 5 and the ratio of the number of students in class II and III is 7: 10, then the number of students in class III is equal to:


4. If a shopkeeper sells 1/3 of his goods at a profit of 14%, 3/5 of the goods at a profit of 17.5% and remaining at a profit of 20%, then his profit on the whole is equal to:


5. To strengthen 400 ml of 15% alcohol solution to 32% alcohol solution, a pharmacist would need additional pure alcohol amounting to:


6. A fan can be purchased on the cash payment of Rs 450. The same fan can also be purchased and taken home at an initial payment of Rs 120 only, subject to the condition that monthly instalments at the rate of Rs 70 each will be made during the next five months. The rate of simple interest per annum charged by the dealer is equal to:


7. If b is the gometrir mean of a and c, then the value of
(a2 -b2+ C2)/(a-2 – b-2 + c-2) is equal to :


8. Two pipes can fill a cistern in 12 minutes and 15 minutes respectively. If both the pipes are opened simultaneously initially and the first pipe is turned off after 3 minutes, then the time taken by the second pipe to fill the ‘remaining cistern would be equal to:


9. If a man walks at a speed of 5 km/hour from his house to the railway station, he misses the train by 5 minutes. However, if he walks at a speed of 6 km/hour, he reaches railway station 6 minutes before the scheduled departure time of the train. The distance between his house and the railway station is equal to:


10. Which one of the following prime numbers while dividing 2176 leaves 9 as remainder?


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