Multiples

Q.

The LCM of smallest two digits composite number and the smallest composite number is​___________?

Q. If a number exactly divides two numbers, then it must also divide the sum of both numbers.

1. True
2. False

Q.

What is the LCM of $12$ and $16$?

Q.

What is the least common multiple (LCM) of $\frac{1}{2},\frac{1}{3}\&\frac{2}{5}$?

1. $2$

2. $\frac{3}{5}$

3. $\frac{2}{30}$

4. $\frac{2}{5}$

Q.

What is the LCM of $4$ and $6$?

Q.

What is the LCM of $12$ and $18$?

Q.

Every number is a multiple of:

1. 1
2. 2
3. Odd numbers
4. Itself

Q. On dividing 48491 by a certain number the quotient is 1939 and the remainder is 16 find the divisor

Q.

HCF of two numbers is __ given that their LCM is 210 and the numbers are 42 and 70.

Q.

What is the LCM of $4$ and $5$?

Q.

Every number is a multiple of itself. Why?

Q.

What is the LCM of $18$ and $24$?

Q. Which of the following numbers is not a multiple of 7?

1. 35
2. 49
3. 102
4. 84

Q.

In each example below, find the ratio of the first number to the second.
(1) $24,56$ (2) $63,49$ (3) $52,65$ (4) $84,60$ (5) $35,65$ (6) $121,99$

Q.

Find the first three common multiples of $8$ and $12$.

Q. Which of the following is a multiple of all the numbers from 1 to 10.

1. 5040
2. 720
3. 1260
4. 1440

Q.

Find the first three common multiples of $6$ and $9$.

Q.

Write the first five common multiples of $2$ and $4$.

Q. General form of a two-digit number ab is _____

1. 10 x b + a
2. 2 x a + b
3. 10 x a + b
4. 1 x a + b

Q.

What is the LCM of $10,15,20$ and $30$?

Q.

Oshin was having 36 chocolates. In how many possible sets of children can she distribute the chocolate so that each child gets an equal number of chocolates? [2 MARKS]

Q.

2, 3, 9, when used once, can be arranged to form _______ distinct 3-digit numbers.

1. 3

2. 6

3. 5

4. 4

Q.

The quotient when 72 is divided by 0 is

1. not defined

2. 1

3. zero

4. 72

Q.

Can a number be factor of itself?

Q.

Question 24
Number of even numbers between 58 and 80 is

(A) 10
(B) 11
(C) 12
(D) 13

Q. What is the value of the following expression?
$20\times 19+(-5)\times 7$

1. 345
2. 335
3. 235
4. 355

Q.

Which of the following is the largest two-digit multiple of 18?

1. 85

2. 76

3. 96

4. 95

Q. If a number exactly divides the sum of two numbers, it must exactly divide the two numbers separately.

1. False
2. True

Q.

The L.C.M. of two numbers $525$ and $945$ is $4725$. Find their H.C.F.

Q. The largest 2 digit multiple of 13 is

1. 65
2. 78
3. 99
4. 91