Advertisements
Advertisements
प्रश्न
State, true or false:
If a divide b and c completely, then a divides
(i) a + b
(ii) a – b
also completely.
विकल्प
True
False
Advertisements
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Write all the factors of: 21
Write all the factors of: 64
Write two numbers which differ by 3 and whose product is 54.
Without making any actual division, show that 2300023 is divisible by 23.
Without making any actual division, show that the following number is divisible by 8.
56008
Find whether the following number is divisible by 6: 2010
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 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.
State if the following number is even or odd.
32
State if the following number is even or odd.
37
State if the following number is even or odd.
69
Write the factors of the following number.
7
A ribbon is 3 metres long. I need 8 pieces of ribbon each 40 cm long. How many centimetres shorter is the ribbon than the length I need?
The sum of the factors of 27 is
The factors of a number are 1, 2, 4, 5, 8, 10, 16, 20, 40 and 80. What is the number?
Write down the factors of the given number.
36
Write down the first 5 multiples of the given number.
7
Write down the first 5 multiples of the given number.
11
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?
Complete the multiplication chart given here.
Look at the green boxes in the chart. These show how we can get 12 by multiplying different numbers.
12 = 4 × 3, so 12 is a multiple of both 4 and 3. 12 is also a multiple of 6 and 2, as well as 12 and 1. We say 1, 2, 3, 4, 6, 12 are factors of 12.
What are the factors of 10?
Can you do this from the chart?
Manoj had made a new house. He wants to lay tiles on the floor. The size of the room is 9 feet × 12 feet. In the market, there are three kinds of square tiles: 1 foot × 1 foot, 2 feet × 2 feet and 3 feet × 3 feet. Which size of tile should he buy for his room, so that he can lay it without cutting?
Rani, Geetha, and Naseema live near each other. The distance from their house to the road is 90 feet. They decided to tile the path to the road. They all bought tiles of different designs and lengths. Rani the shortest tile, Geetha bought the one and Naseema bought the longest one. If they could tile the path without cutting any of the tiles what is the size of the tiles each has bought? Suggest 3 different solutions. Explain how you get this answer.
Write all the factors of the following number.
24
Write all the factors of the following number.
18
Write all the factors of the following number.
36
