Quantitative Aptitude Test 6

Quantitative Aptitude

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1. If f ( 0, y ) = y + 1, f (x + 1, y) = f ( x , f (x, y )) Then, what is the value of f(1,2)?


2. There are seven consecutive natural numbers such that the average of the first five is n. then average of all seven numbers will be?


3. a,b & c are sides of a triangle. If a2 + b2 + c2 = ab + bc + ac then the triangle will be


4. If x, y and z are odd integers which of the following is necessarily false?


5. A, B and C are 3 cities that form a triangle & where every city is connected to every other one by at least one direct root. There are 33 routes direct & indirect from A to C & there are 23 routes from B to A. How many direct routes are there from A to C?


6. If the perimeter of a triangle is 14 and the sides are integers, then how many different Triangles are possible?


7. There are two tanks, one cylindrical and the other conical. The cylindrical tank contains 500 litre limca more than the conical tank. 200 litres is removed both from the cylindrical and conical tank. Now the cylindrical tank contains double the volume of liquid in the conical tank. What is the capacity of the cylindrical tank in litre?.


8. There are three vessels A,B, and C with capacities 5, 3 and 2 respectively. There is a computer program that can perform certain functions as described below:
Drain (Y) : drains the liquid in a vessel Y.Fill (X,Y) : fill amount from Y into X such that the amount of liquid withdrawn from Yis equal to the liquid in X.Empty (X,Y) : empty amount from Y into X such that the amount left in Y is equal to the amount of liquid in X.

The following operations are performed in succession
1. Fill (C,A)    2. ———    3. Fill (C,A)

What should the second operation be if after the three operations A should contain one litre of liquid?


9. A and B are two cities 10 Km apart. A load of 80 Kg has to be transported from A to B. the courier service is charges @ 10 Rs per hour. The optimal speed that one can go without load is 10 Km/ hr, the speed reduces to 5 Km/hr with a weight of10 Kg. Further with 20 Kg (which is the maximum weight that can be carried), the speed is 2 km/hr. What is the minimum cost?


10. In addition to the three operations in above problem, the fourth operation performed is Drain A. What operations should follow so that A contains four litres of liquid?


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