Correct option is A
Let the number be 10x + y.
According to the question
x + y = 15 ----(i)
x - y = 3----(ii)
Add equation (i) and equation (ii)
2x= 18
=>x=9
From equation (i)
=>y = 15-9
=> y = 6
Required number is 96.
The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number? (x >y)
Let the number be 10x + y.
According to the question
x + y = 15 ----(i)
x - y = 3----(ii)
Add equation (i) and equation (ii)
2x= 18
=>x=9
From equation (i)
=>y = 15-9
=> y = 6
Required number is 96.
Find the Highest Common Factor (HCF) of 372, 732 and 2196.
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Let p be the greatest number of 4-digits which when divided by 21, 22, 24 and 28, the remainder in each case is 8. What is the sum of the digits of p?
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