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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 6

The product of two numbers is 48 and their sum is 16. Find the numbers.

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प्रश्न

The product of two numbers is 48 and their sum is 16. Find the numbers.

संक्षेप में उत्तर
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उत्तर

Since, 48 = 1 x 48, 2 x 24, 3 x 16, 4 x 12, 6 x 8
Clearly, numbers are 4 and 12.

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अध्याय 9: Playing with Numbers - Exercise 9 (B)

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सेलिना Mathematics [English] Class 6
अध्याय 9 Playing with Numbers
Exercise 9 (B) | Q 5

संबंधित प्रश्न

Write all the factors of: 16


Write all the factors of: 39


Write all the factors of: 48


Without making any actual division, show that the following number is divisible by 8.

1608


Find whether the following number is divisible by 3: 221


Find whether the following number is divisible by 9: 53247


Find whether the following number is divisible by 10: 847


Find whether the following number is divisible by 15: 5013


In the following number, replace M by the smallest number to make resulting number divisible by 9: 76M91


State, true or false:

If a number is a factor of 16 and 24, it is a factor of 48


State, true or false:

If a number is divisible by 18, it is divisible by 3 and 6


Define: (i) factor (ii) multiple. Give five examples of each.


Write down the factors of 36.


Write the factors of the following number.

7


The factors of a number are 1, 2, 4, 5, 8, 10, 16, 20, 40 and 80. What is the number?


Factors of 6


Factors of 7 __________________


Write down the first 5 multiples of the given number.

7


Write down the first 5 multiples of the given number.

9


If the cat starts from the 5th step and jumps five steps at a time and the mouse starts from the 8th step and jumps four steps at a time, can the mouse get away?


Throw two dice together. What are the numbers that turn up on the faces of the dice? Make a two-digit number using them. If it is a multiple of any of the numbers written next to the circles, you can write it in that circle. Then it is your friend’s turn. The one who can write more numbers in 10 rounds is the winner.

Hint: I have 3 and 2 on my dice. If I make 23, it is not the multiple of any of the numbers. So I will make 32, which is a multiple of 4, and write it in the red circle.


More tamarind seeds

Ammini is arranging 12 tamarind seeds in the form of different rectangles. Try to make more rectangles like this using 12 tamarind seeds. How many different rectangles can you make? 


What are the factors of 10?

Can you do this from the chart?


What are the factors of 36?


What is the biggest number for which you can find the factors from this chart? 


Look at the factor tree. Now you can make another tree like this?


Match the items in column 1 with the items in column 2.

 

Column 1

 

Column 2

(i)

35

(a)

Multiple of 8

(ii)

15

(b)

Multiple of 7

(iii)

16

(c)

Multiple of 70

(iv)

20

(d)

Factor of 30

(v)

25

(e)

Factor of 50

 

 

(f)

Factor of 20


Write all the factors of the following number.

15


Write all the factors of the following number.

23


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