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प्रश्न
Write two numbers which differ by 3 and whose product is 54.
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उत्तर
Since, 54 = 1 x 54, 2 x 27, 3 x 18, 6 x 9
Clearly, numbers are 6 and 9.
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संबंधित प्रश्न
Write the first six multiples of: 15
Without making any actual division, show that each of the following numbers is divisible by 11.
11011
Without making any actual division, show that each of the following numbers is divisible by 11.
110011
Find whether the following number is divisible by 2: 523
Find whether the following number is divisible by 4: 532
Find whether the following number is divisible by 4: 9232
Find whether the following number is divisible by 8: 444320
Find whether the following number is divisible by 5: 5080
Find whether the following number is divisible by 10: 8976
Find whether the following number is divisible by 15: 8295
Find whether the following number is divisible by 15: 5013
State, true or false:
If a divide b and c completely, then a divides
(i) a + b
(ii) a – b
also completely.
Write down the factors of 20.
Write the factors of the following number.
7
Write the factors of the following number.
25
Is 173 a prime? Why?
Pick the number which is not a multiple of 6
Write down the factors of the given number.
16
Draw a picture of factor tree.
18
Draw a picture of factor tree.
50
Write down the first 5 multiples of the given number.
7
If there are 15 tamarind seeds how many rectangles can you make?
What are the factors of 36?
Try drawing the factor tree using other numbers also.
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 |
What is a factor of a number?
Which of the following is always a factor of every number?
Which is NOT a common factor of 20 and 36?
