Is the gcd of two digit two numbers is 8 and the lcm is 224 then what is the sum of the given two numbers?
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Answered by
1
Ans: 232 or 88
Since gcd is 8, so let the 2 numbers be 8x & 8y.
Product of 2 numbers = Product of HCF & LCM
8x * 8y = 8 * 224
=>x*y = 28
x & y can be (1,28) or (7,4) in any order.
So, the 2 numbers can be (8, 224) or (56, 32)
Sum can be 8 + 224 = 232
or, 56 + 32 = 88
Answered by
5
Answer:
1st number is x and 2nd number is y
So, GCD of two digit number is 8
LCM of the two digit number is 228
product of two number = product of HCF & LCM
8x * 8y = 8 * 224
xy = 224/8
xy = 28
If we find the value of x and y
28 is divisible by 1, 2, 4, 7, 14 and 28
so (x ,y) can be written as (1, 28) (2, 14) and (4,7)
sum of two digit number is 1+28 = 29; 2+14 = 16; 4+7 = 11
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