DSSSB · Mathematics

The line graph shows the sales (in thousand units) of a company for seven consecutive months as follows: January 40, February 60, March 30, April 80, May 20, June 10 and July 10. What was the difference in the number of units sold in April and February respectively?

  1. 15,000
  2. 25,000
  3. 20,000
  4. 30,000
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