Number System Ques 30
Question
What is the least number which when divided by $10,15,18$ and 30 leaves the remainders 6,11 , 14 and 26 respectively?
(1) 90
(2) 74
(3) 86
(4) 100
(5) 96
(IBPS RRBs Officer Scale-I CWE Main Exam, 13.10.2019)
Show Answer
Answer: (3)
Solution: (3)
Here, divisor-respective remainder $=$ constant
$10-6=4 ; $
$15-11=4 ;$
$18-14=4 ;$
$30-26=4$;
Therefore, required answer $=(LCM$ of $10,15,18$ and $30)-4$ $=90-4=86$
BETA
