SSC
Sample Paper
Mock Test-11 SSC CGL Tear-II Paper-1
question_answer
The total number of integers between 200 and 400, each of which either begins with 3 or ends with 3 or both, is
A)10
B) 100
C) 110
D) 120
Correct Answer:
C
Solution :
When 3 lies at hundreds place \[\therefore \]Total integers \[=10\times 9=90\] When 3 lies at units place Total integers = 10 When 3 lies at unit's and hundred's place Total integers = 10 Total integers \[=90+10+10=110\]