A SHOPKEEPER SELLS 60% OF THE PENS HE HAD AND STILL HAS 120 PENS LEFT. THE TOTAL NUMBER OF PENS HE HAD IN ALL IS

A) 300
B) 250
C) 420
D) 350

Let the total number of pens = xNumber of pens sold = 60% of x = 60100×x = 3x5Now, number of pens left = 120x - 3x5 = 1202x5 = 1202x = 600x = 300So, total number of pens = 300

  • 1
A)300
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but how tell me how did u do it??? 
  • -1
40 %×a = 120

4a/10=120

a= 1200/4

a=300
  • 1
ANS IS 300
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