Kanbay Previous Years Solved Sample Placement Papers
- A certain number of men take 45 days to complete work. If there are 10 men less, then they will take 60 days to complete the work. Find the original number of men.
a) 50
b) 60
c) 30
d) 40
Ans: d) 40 - 5 men and 10 boys can do a piece of work in 30 days, and 8 men and 12 boys can do the work in 20 days. Then the ratio of daily work done by a man to that of a boy.
a) 5:1
b) 4:5
c) 6:1
d) 7:3
Ans: c) 6:1 - 4 women and 5 men working together can do 3 times the work done by 2 women and one man together. Calculate the work of a man to that of a woman.
a) 1:1
b) 3:2
c) 1:2
d) 2:1
Ans: a) 1:1 - Manoj can do a work in 20 days, while Chandu can do the same work in 25 days. They started the work jointly. A few days later, Suresh also joined them, and thus all of them completed the whole work in 10 days. All of them were paid a total of Rs. 1000. What is the share of Suresh?
a) 100
b) 300
c) 200
d) 400
Ans: a) 100 - Nagarjuna lends Rs 30,000 to two of his friends. He gives Rs 15,000 to the first at 6% p.a. simple interest. He wants to make a profit of 10% on the whole. The simple interest rate at which he should lend the remaining sum of money to the second friend is
a) 8%
b) 12%
c) 14%
d) 16%
Ans: c) 14% - A portion of $6600 is invested at a 5% annual return, while the remainder is invested at a 3% annual return. If the annual income from the portion earning a 5% return is twice that of the other portion, what is the total income from the two investments after one year?
a) 270
b) 250
c) 280
d) 200
Ans: a) 270 - While calculating the weight of a group of men, the weight of 63 kg of one of the members was mistakenly written as 83 kg. Due to this, the average of the weights increased by half a kg. What is the number of men in the group?
a) 25
b) 20
c) 40
d) 60
Ans: c) 40 - In a group of 8 boys, 2 men aged 21 and 23 were replaced by two new boys. Due to this, the average age of the group increased by 2 years. What is the average age of the 2 new boys?
a) 17
b) 30
c) 28
d) 23
Ans: b) 30 - A boat takes a total of 16 hours for traveling downstream from point A to point B and coming back to point C, which is somewhere between A and B. If the speed of the boat in still water is 9 km/hr and the rate of the stream is 6 km/hr, then what is the distance between A and C?
a) 60 km
b) 90 km
c) 30 km
d) Cannot be determined
Ans: d) Cannot be determined