MEDIUM

Earn 100

Find HCF by using prime factorization method:

$11 =$

$22 =$

$44 =$

HCF $=$ .

Important Questions on Real Numbers

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

A natural number when divided by $5, 6, 7$ , and $8$ leaves the remainder $4$ in each case. What will be the second number when these numbers are presented in ascending order?

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

At a telephone exchange, three phones ring at intervals of

20

sec,

24

sec, and

30

sec. If they ring together at

11 : 25

am, when will they next ring together?

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

The LCM and the HCF of the numbers

28

and

42

are in the ratio:

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

What is the smallest integer that is a multiple of

5, 8

and

15

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

Which of the following is true?

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

What is the smallest integer that is divisible by

3, 7

and

18

MEDIUM

Mathematics>Arithmetic>Real Numbers>HCF and LCM

What is the least common multiple of

(\frac{4}{9})

and

(\frac{16}{27})

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

The HCF of two numbers is

21

and their LCM is

221

times the HCF. If one of the numbers lies between

200

and

300

, then the sum of the digits of the other number is:

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

Find the HCF of 3, 7 and 15.

(A) 7

(B) 15

(D) 1

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

The LCM and HCF of two numbers are

171360

and

14

respectively. If one of the numbers is

2142

then what is the second number?

MEDIUM

Mathematics>Arithmetic>Real Numbers>HCF and LCM

The HCF of two numbers is

29

, and the other two factors of their LCM are

15

and

13

. The smaller of the two numbers is:

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

What is the Lowest Common Multiple of

2, 3

and

7

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

The greatest number of four digits which is exactly divisible by

24, 36

and

54

is_____.

MEDIUM

Mathematics>Arithmetic>Real Numbers>HCF and LCM

What is the least common multiple of

\frac{6}{5}

and

\frac{8}{25}

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

The HCF and LCM of two numbers is

6

and

5040

respectively. If one of the numbers is

210

, then the other number is:

MEDIUM

Mathematics>Arithmetic>Real Numbers>HCF and LCM

When $2238, 4309$ and $8151$ are divided by a certain $3$ -digit number, the remainder in each case is same. The remainder is _______.

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

A and B start walking together from a point. Their steps measures

72 cm

and

84 cm

respectively. What is the minimum distance they should walk so that each takes exact number of steps?

MEDIUM

Mathematics>Arithmetic>Real Numbers>HCF and LCM

Find the number lying between

900

and

1000

, which when divided by

38

and

57

leaves in each case a reminder

23

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

A, B, C have

152, 171

and

266

marbles, respectively. They decide to divide these marbles in parts such that all parts have the same number of marbles. Also, they cannot give or take the marbles. Find the minimum possible number of parts that can be made.

EASY

Mathematics>Arithmetic>Real Numbers>HCF and LCM

What will be the Highest Common Factor of

4, 8

and

12 ?

Find HCF by using prime factorization method: 11= 22= 44= HCF =.

Important Questions on Real Numbers

Learn and Prepare for any exam you want !

Find HCF by using prime factorization method:

$11 =$

$22 =$

$44 =$

HCF $=$ .