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Posted by Siddharth Singh 8 years, 1 month ago
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Hans Raj 8 years, 1 month ago
let no of members in A = x
no of members of B = y
then as per question
x + 1 = 2(y - 1) ... i
y + 1 = x - 1 .... ii
rearranging ii
x - 1 = y + 1 ......... iii
x + 1 = 2y - 2 ........ iv
iii - iv
- 2 = - y + 3
y = 5
x = 7
thus group A has 7 members and group B has 5 members
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Rashmi Bajpayee 8 years, 1 month ago
We will take LCM of 7 and 8.
LCM of 7 and 8 is 56.
Therefore, After 56 seconds both lights will flicker.
Posted by Ash Kechum 8 years, 1 month ago
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Sia ? 6 years, 3 months ago
Consecutive numbers are numbers that follow each other in order.
Posted by Niveditha Niveditha 8 years, 1 month ago
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Payal Singh 8 years, 1 month ago
The largest common factor of two or more numbers is called the highest common factor (HCF).
For example: We have already seen that the factors of 24 are 1, 2, 3, 4, 6, 8, 12 and 24 and that the factors of 40 are 1, 2, 4, 5, 8, 10, 20 and 40.
The numbers 1, 2, 4 and 8 appear in both lists, so they are known as the common factors of 24 and 40.
The number 8 is the highest of them, and it is called the highest common factor (HCF).
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Sia ? 6 years, 3 months ago
One way to find the least common multiple of two numbers is to first list the prime factors of each number. Then multiply each factor the greatest number of times it occurs in either number. If the same factor occurs more than once in both numbers, you multiply the factor the greatest number of times it occurs.
Posted by Prabhmeet Singh 8 years, 2 months ago
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Sia ? 6 years, 3 months ago
The sum of the square roots of two sides of a triangle is equal to the square root of the longest side.
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