How many 3-digit numbers are completely divisible by 6 ?
A. 149
B. 150
C. 151
D. 166
Answer: Option B
Solution(By Examveda Team)
3-digit numbers divisible by 6 are 102, 108, 114 ..... , 996This is an A.P. in which a = 102, d = 6 and Tn = 996
∴ Tn = a + (n - 1) d
⇒ 102 + (n - 1) × 6 = 996
⇒ (n - 1) × 6 = 894
⇒ (n - 1) = 149
⇒ n = 150
Related Questions on Number System
Three numbers are in ratio 1 : 2 : 3 and HCF is 12. The numbers are:
A. 12, 24, 36
B. 11, 22, 33
C. 12, 24, 32
D. 5, 10, 15
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