Naya purana Mixture Grinder

(CAT 2004)

Purana and Naya are two brands of kitchen mixer-grinders available in the local market. Purana is an old brand that was introduced in 1990, while Naya was introduced in 1997. For both these brands, 20% of the mixer-grinders bought in a particular year are disposed off as junk exactly two years later. It is known that 10 Purana mixer-grinders were disposed off in 1997. The following figures show the number of Purana and Naya mixer-grinders in operation from 1995 to 2000, as at the end of the year.

1. How many Naya mixer-grinders were purchased in 1999?

a. 44

b. 50

c. 55

d. 64

2. How many Naya mixer-grinders were disposed off by the end of 2000?

a. 10

b. 16

c. 22

d. Cannot be determined from the data

3. How many Purana mixer-grinders were disposed off in 2000?

a. 0

b. 5

c. 6

d. Cannot be determined from the data

4. How many Purana mixer-grinders were purchased in 1999?

a. 20

b. 23

c. 50

d. Cannot be determined from the data

For answers click here.