The HCF of $72$ and $108$ is:

Important Questions on HCF & LCM

EASY

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 22 - HCF & LCM>Practice Exercise>Q 3

What is the LCM of ${\left(x+5\right)}^2 {\left(x+1\right)}^3 \left(x-3\right)$, and $\left(x+1\right) {\left(x-3\right)}^2 \left(x+5\right)$?

EASY

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 22 - HCF & LCM>Practice Exercise>Q 4

Find the LCM of $\frac{10}{21}, \frac{20}{63}, \frac{55}{56}$

EASY

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 22 - HCF & LCM>Practice Exercise>Q 5

LCM of $1\frac{1}{4}, 1\frac{2}{3}, 2\frac{1}{2}$ is:

EASY

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 22 - HCF & LCM>Practice Exercise>Q 6

The smallest fraction, which each of $\frac{6}{7},\frac{5}{14},\frac{10}{21}$ will divide exactly is:

EASY

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 22 - HCF & LCM>Practice Exercise>Q 7

The HCF of $1.08, 0.36$ and $0.9$ is:

EASY

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 22 - HCF & LCM>Practice Exercise>Q 8

HCF of $3240$, $3600$ and a third number is $36$ and their LCM is $2^4\times 3^5\times 5^2\times 7^2$. The third number is:

EASY

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 22 - HCF & LCM>Practice Exercise>Q 9

The ratio of two numbers is $3 : 4$ and their HCF is $4$. Their LCM is:

EASY

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 22 - HCF & LCM>Practice Exercise>Q 10

Three numbers are in the ratio $1 : 2 : 3$ and their HCF is $12$. The numbers are: