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The number $30744$ is divisible by which of the single digit numbers:

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Important Questions on Number Systems

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

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?

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

Find the number lying between

900

and

1000

which when divided by

38

and

57

leaves in each case a remainder

23

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

Find the ratio of the LCM and the HCF of 5, 25 and 30.

(A) 1 : 6

(B) 30 : 1

(D) 6 : 1

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

The HCF of

\frac{2}{3}, \frac{8}{9}, \frac{10}{27}, \frac{32}{81}

is.

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

What is the Lowest Common Multiple of

2, 3

and

7

MEDIUM

Mathematics>Arithmetic>Number Systems>Basics of Number Systems

Find the number lying between

900

and

1000

, which when divided by

38

and

57

leaves in each case a reminder

23

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

Find the HCF of 3, 7 and 15.

(A) 7

(B) 15

(D) 1

MEDIUM

Mathematics>Arithmetic>Number Systems>Basics of Number Systems

Find the LCM of

\frac{25}{7}, \frac{15}{28}, \frac{20}{21}

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

What is the value of half of the HCF of

36

and

144

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

What is the HCF of

\frac{15}{24}, \frac{12}{39} a n d \frac{40}{49}

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

x

is a prime number,

L C M

x

and its successive number would be:

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

Find the G.C.F and L.C.M of $20$ and $28$ .

1. $20, 280$
2. $5, 280$
3. $10, 140$
4. $4, 140$

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

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?

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

What will be the HCF of $\frac{2}{3}, \frac{8}{9}$ and $\frac{64}{81}$ ?

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

The LCM of two numbers is $210$ . If their HCF is $35$ and one of the numbers is $105$ , find the other number:

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

The LCM and the HCF of the numbers

28

and

42

are in the ratio:

MEDIUM

Mathematics>Arithmetic>Number Systems>Basics of Number Systems

What is the least common multiple of

(\frac{4}{9})

and

(\frac{16}{27})

EASY

Mathematics>Arithmetic>Number Systems>Basics of Number Systems

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.

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

What will be the Highest Common Factor of

4, 8

and

12 ?

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Mathematics>Arithmetic>Number Systems>Basics of Number Systems

12

is the highest common factor of '

a

' and '

b

'. '

a

' and '

b

' are integers and

a > b > 12

. What would be the minimum values of

(a, b)

The number 30744 is divisible by which of the single digit numbers:

Important Questions on Number Systems

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The number $30744$ is divisible by which of the single digit numbers: