# Changepond written test questions from previous years

## Changepond written test questions from previous years

Below given are some of the questions observed in the written test paper of Changepond Company during the previous years.

1. What do you get in return from parseQueryString?

2. Call by reference and Call by Value find the output of the following codes.

3. What will be the output of String a = abc; string b = abc; if (a = = b) system.

a. Out. Println

b. Else System. Out. Println

c. If a. equals (b) system. Out. Println

d. Else system. Out. Println

4. Spot the error in this abstract: MyClass {transient a, synchronised b}

**Some of the aptitude questions asked in the previous year's papers are :**

1. How many factors of 25 * 36 * 52 are perfect squares?

a. 30

b. 20

c. 24

d. 36

2. In a mixture of water and milk wherein the ratio of the resulting mixture is 7:3, how many litres of water should be added to 30 litre mixtures such that the resultant mixture has 40% water content in it?

a. 5 litres

b. 7 litres

c. 10 litres

d. None of the above

3. If 60 years is the total of a combination of some 7 and 5 year old children respectively, then select a team of children whose total age would sum up to 48 years. In how many ways can you create this combination?

a. 1

b. 2

c. 3

d. 4

4. How many days will A and C to complete a work when, A and B take 8 days to complete whereas B and C take 12 days and all three A, B and C take 6 days to complete the same piece of work?

a. 8 days

b. 7 days

c. 7.5 days

d. 8.5 days

5. If I pay rupees 4000 @ of 8% per annum for 3 months how much of simple interest will I be paying?

6. If 10 technicians start working at 11 AM and work for 6 hours to build a server, while one technician is being added every hour starting from PM onwards. Calculate the expected time for them to finish the work.

7. A chart showing the speed of trains after some minutes looks somewhat like 0 30 60 90 120 150 180 40 45 50 55 60 65 70 and the speed is inferred after every 5 hours and the data is for 10 bogies. If you add 2 bogies extra the speed decreases by 5%. Find out the speed of the train after 5 hours.

8. If quadrilateral is a triangle with an area of 36 cm. Find out a * b if 6a + 4b = 43 and 3a + 12b = 63?