A ball pen factory decided to reduce its production by 10% over that of previous month for next 3 months starting from February 1994. In January, it produced 3000 ball pens. How many ball pens were produced in March 1994 ?

a. 2700
b. 2430
c. 2187
d. 2400

• 2430,only feb and march will be taken under consideration,not april
• 9 years agoHelpfull: Yes(6) No(0)
• (3000*90*90*90)/(100*100*100)=2187(End of the March)
• 9 years agoHelpfull: Yes(1) No(3)
• over that previous mnths fr nxt 3 mnths means it is cumulative ie in feb 10% less than of jan and in march 10% less than of feb . there is the trick of use of words ie " over that of ".
  so soln:
  3000*90/100*90/100=..............2430
• 7 years agoHelpfull: Yes(1) No(0)