Hello Aspirants. Welcome to Online Quantitative Aptitude Section with explanation in AffairsCloud.com. Here we are creating question sample in LCM & HCF, which is common for all the IBPS, SBI exam and other competitive exams. We have included questions that are repeatedly asked in bank exams !!! Questions Penned by Yogit Answer – b) 63 Answer – c) 1200 Answer – c) 3786 Answer – a) 420 Answer – b) 116Explanation : Answer –
d) 16/275 Answer – d) 60
Answer – b) 7min
a) 33
b) 63
c) 81
d) 123
e) None of these
Explanation :
LCM of 2, 3, 4 and 5 is 30, let number be 30k + 3
put k = 2, we get 63 which is divisible by 9
a) 1020
b) 1120
c)
1200
d) 1800
e) None of these
Explanation :
LCM of 12, 15, 25 and 30 is 300
least number of 4-digit divided by 300 is 1200
a) 3774
b) 3780
c) 3786
d) 4786
e) None of these
Explanation :
Number = LCM
(12, 17, 35) + 6 = 3780 + 6 = 3786
a) 420
b) 360
c) 210
d) 480
e) None of these
Explanation :
LCM*HCF = a*b
840*84 = 168*b, b = 420
a) 124
b) 116
b) 120
d) 134
e) None of these
LCM (6, 8, 15, 30) – 4 = 120 – 4 = 116
a) 16/125
b) 32/275
c) 32/125
d) 16/275
e) None of these
Explanation :
a*b = 5*275 and a+b = 80
(a+b)/(a*b) = 80/(5*275) = 16/275
a) 20
b) 30
c) 40
d) 60
e) None of these
Explanation :
HCF (240, 300, 120) = 60
a) 6min
b) 7min
d) 8min
d) 9min
e) None of these
Explanation :
LCM (15, 12, 21) = 420 second = 7 minutes
a) 3360
b) 3630
c) 3960
d) 3990
e) None of these
Answer – c) 3960
Explanation :
LCM (12, 8, 22, 30) =
3960
a) 2
b) 4
c) 8
d) 12
e) None of these
Answer – b) 4
Explanation :
HCF (427 – 3, 900 – 8) (424, 892) = 4
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