Previous Years Solved Placement Papers
- How many kilograms of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per kg so that there may be a gain of 10% by selling the mixture at Rs. 9.24 per kg?
(A) 36 kg
(B) 42 kg
(C) 54 kg
(D) 63 kg
(Ans: D) - A container contains 40 litres of milk. From this container, 4 litres of milk was taken out and replaced by water. This process was repeated two more times. How much milk is now contained by the container?
(A) 26.34 litres
(B) 27.36 litres
(C) 28 litres
(D) 29.16 litres
(Ans: A) - Find the ratio in which rice at Rs. 7.20 per kg must be mixed with rice at Rs. 5.70 per kg to produce a mixture worth Rs. 6.30 per kg.
(A) 1 : 3
(B) 2 : 3
(C) 3 : 4
(D) 4 : 5
(Ans: B) - The cost of Type 1 rice is Rs. 15 per kg, and Type 2 rice is Rs. 20 per kg. If both are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is:
(A) Rs. 18
(B) Rs. 18.50
(C) Rs. 19
(D) Rs. 19.50
(Ans: A) - A merchant has 1000 kg of sugar, part of which he sells at an 8% profit and the rest at an 18% profit. He gains 14% on the whole. The quantity sold at 18% profit is:
(A) 400 kg
(B) 560 kg
(C) 600 kg
(D) 640 kg
(Ans: C) - Salaries of Ravi and Sumit are in the ratio 2 : 3. If each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary?
(A) Rs. 17,000
(B) Rs. 20,000
(C) Rs. 25,500
(D) Rs. 38,000
(Ans: D) - If \( 0.75 : x :: 5 : 8 \), then \( x \) is equal to:
(A) 1.12
(B) 1.2
(C) 1.25
(D) 1.30
(Ans: B) - The sum of three numbers is 98. If the ratio of the first to second is 2 : 3 and that of the second to the third is 5 : 8, then the second number is:
(A) 20
(B) 30
(C) 48
(D) 58
(Ans: B) - Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers, to type an assignment of 110 pages?
(A) 7 hours 30 minutes
(B) 8 hours
(C) 8 hours 15 minutes
(D) 8 hours 25 minutes
(Ans: C) - Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:
(A) 15
(B) 16
(C) 18
(D) 25
(Ans: B) - A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:
(A) 4 days
(B) 6 days
(C) 8 days
(D) 12 days
(Ans: B)