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Ask QuestionPosted by Abhay Nare 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Now we will learn about the method of finding highest common factor (H.C.F).
Steps 1: Find all the factors of each given number.
Step 2: Find common factors of the given number.
Step 3: The greatest of all the factors obtained in Step 2, is the required highest common factor (H.C.F).
Posted by Sujal Řāțûřî 5 years, 4 months ago
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Posted by Abhay Nare 5 years, 4 months ago
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Posted by Krish Jangde 5 years, 4 months ago
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Sakshi Balaji Battalwad 5 years, 4 months ago
Gaurav Seth 5 years, 4 months ago
Divisibility by 6
Numbers which are divisible by both 2 and 3 are divisible by 6. That is, if the last digit of the given number is even and the sum of its digits is a multiple of 3, then the given number is also a multiple of 6.
Example: 630, the number is divisible by 2 as the last digit is 0.
The sum of digits is 6+3+0 = 9, which is also divisible by 3.
Hence, 630 is divisible by 6.
Posted by Jaskirat Kaur 5 years, 4 months ago
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Posted by Ashmita Sharma 5 years, 4 months ago
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Posted by M.Raja Raja 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
16 =2 × 2 × 2 × 2
29 = 29 × 1
Least common multiple (LCM) of 16 and 29 is 464.
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Posted by Rajitsinghvi D Chouhan{ Admin No.8 243} 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
Answer : 300
<caption>
| 2 | 1 | 1 | 2 | 2 |
| 3 | 1 | 0 | 1 | 1 |
| 5 | 1 | 2 | 1 | 2 |
Or
<pre> 30 = 2 • 3 • 5 50 = 2 • 52 60 = 22 • 3 • 5 </pre>Posted by Uday Singh 5 years, 4 months ago
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Sakshi Balaji Battalwad 5 years, 4 months ago
Posted by Anushka Sonar 5 years, 4 months ago
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Posted by Lakshya Sharma 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
B is the mid-point of AC ,
AB =BC ……….(i)
And C is the mid-point of .
BC =CD……….(ii)
From eq. (i) and(ii),
AB = CD
Gaurav Seth 5 years, 4 months ago
If B is the mid-point of AC¯¯¯¯¯¯¯AC¯ and C is the mid-point of BD¯¯¯¯¯¯¯,BD¯, where A, B, C, D lie on a straight line, say why AB = CD?
Answer: B is the mid-point of AC¯¯¯¯¯¯¯AC¯.
∴∴ AB = BC ……….(i)
And C is the mid-point of BD¯¯¯¯¯¯¯BD¯.
∴∴ BC = CD ……….(ii)
From eq. (i) and (ii),
AB = CD
Posted by Vansh Saini 5 years, 4 months ago
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Posted by Vili Ayeh 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
(a). +3x=27
x = 27/3 = 9
(b). 8=+4x
x = 8/4
x = 2
(c). +2x=1
x = 1/2
(d). 5t=+15
t = 15/5 = 3
(e). +y=+32
y = 32
(f). -2x=1
x = -1/2
(g). 5x=75
x = 75/5
x = 15
(h). x/6=5
x = 6(5) = 30
(I). x/2=-3
x = -3 (2) = - 6
(j). x/+3=4
x = 4 (3) = 12
(K). x/7=2.6
x = 2.6 (7)
x = 18.2
(L). x/+7=3
x = 3 (7)
x = 21
Posted by Vili Ayeh 5 years, 4 months ago
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Visalatchi S 5 years, 4 months ago
Yogita Ingle 5 years, 4 months ago
(a). 5x+8=23
5x = 23 - 8
5x = 15
x = 15/5 = 3
(b). 2y-4=-8
2y = -8 + 4
2y = -4
y = -4/2= -2
(c). 2(t+1)+15=3
2t + 2 + 15 = 3
2t + 17 = 3
2t = 3 - 17
2t = - 14
t = -14/2 = -7
(d). -y+46=32
- y = 32 - 46
-y =-14
y = 14
(e). 2x+3=3
2x = 3 - 3
2x = 0
x = 0
(f). 2y-3=3
2y = 3 + 3
2y = 6
y = 6/2 = 3
Posted by Vili Ayeh 5 years, 4 months ago
- 1 answers
Yogita Ingle 5 years, 4 months ago
(a). 2a+4=a+5
2a - a = 5 - 4
a = 1
(b). 4x=3x+7
4x - 3x =7
x =7
(c). 5x+3=4x+8
5x -4x = 8 - 2
x = 6
(d). 3b=6
b = 6/3
b =2
(e). 2x-5=x-9
2x - x = -9 +5
x = - 4
(f). 3p-6=p-8
3p - p = -8 + 6
2p = -2
p = -2/2
p = -1
Posted by Vili Ayeh 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
(a). X-5=7
x = 7 + 5
x = 12
(b). 3x+18=48
3x = 48 - 18
3x = 30
x = 30/3 = 10
(c). 2x=48
x = 48/2
x = 24
(d). 5(x-1)+3=23
5x - 5 + 3 = 23
5x = 23 - 3 + 5
5x = 25
x = 25/5 = 5
(e). 7x-4=10
7x = 10 + 4
7x = 14
x = 14/7
x = 2
(f). 96+x=300
x = 300 - 96
x = 104
(g). 4x+3=2x+11
4x - 2x = 11 - 3
2x = 8
x = 8/2
x = 4
Posted by Vili Ayeh 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Let age of joya be x yrs
∴ age of jayant =x+6 yrs
Sum =x+x+6=30
2x+6=30
2x=24
x=12
age of jaya =12yrs
age of jayant =18yrs
(b)
let the 2 consecutive no be x,x+1
x+x+1=61
2x=60
x=30
∴ numbers are 30,31
Posted by Deepu Active Lines Vr 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
Polygons |
| A polygon is a closed plane figure with three or more sides that are all straight.
Some examples of polygons are shown below.
|
Posted by Saransh Sharma 5 years, 4 months ago
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Soumika Patnaik 5 years, 4 months ago
Divya Parashar 5 years, 4 months ago
Sakshi Balaji Battalwad 5 years, 4 months ago
Posted by Sunil Upadhyay 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Greatest 6 digit number = 999999
previous numbers in descending order = 999998, 999997, 999996, 999995, 999994
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Student 5 years, 4 months ago
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