Advertisements
Advertisements
प्रश्न
In the following number, replace M by the smallest number to make resulting number divisible by 11: 14M75
Advertisements
उत्तर
The given number = 14M75
Sum of its digit in odd places = 1 + M + 5 = M + 6
Sum of its digit in even places = 4 + 7 = 11
11 – (M + 16) = 0
11 = M + 6
11 – 6 = M
M = 5
APPEARS IN
संबंधित प्रश्न
Write all the factors of: 21
Write the first six multiples of: 15
Without making any actual division, show that each of the following numbers is divisible by 11.
11011
Find whether the following number is divisible by 4: 222
Find whether the following number is divisible by 4: 532
Find whether the following number is divisible by 8: 92760
Find whether the following number is divisible by 9: 4968
Find whether the following number is divisible by 9: 200314
Find whether the following number is divisible by 6: 324
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 3: 46M46
In the following number, replace M by the smallest number to make resulting number divisible by 11: 3M422
In the following number, replace M by the smallest number to make resulting number divisible by 11: 70975M
State, true or false:
If a number is divisible by 18, it is divisible by 3 and 6
State, true or false:
If a divide b and c completely, then a divides
(i) a + b
(ii) a – b
also completely.
State if the following number is even or odd.
58
Write the factors of the following number.
22
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?
Multiple of 9 is
Write down the factors of the given number.
14
Write down the factors of the given number.
16
Draw a picture of factor tree.
16
Write down the first 5 multiples of the given number.
9
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.
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?
