Ten years from now, the ages of A and B will be in a ratio of 7:9. C's current age is half of B's current age. Five years from now, the ratio of C's age to D's age will be 3:4. If the average of C's and D's current ages is 16, what is A's current age?
C + D=32 years After 5 years=32 + 10 =42 years 7x=42 years x= 6 years C=3 * 6= 18 years C’s present age=18 – 5 =13 years B’s present age=13 * 2 =26 years After 10 years B’s age=26 + 10 =36 years A’s age after 10 years=7 / 9 *36 =28 years A’s present age=28 – 10 =18 years
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Defines the number of entities in one entity set, which can be associated with the number of entities of other set via relationship set.
calculate the complexity of the below recursive code
Int f(int n)
{
If(n
return 1;
return f(n/2)+f(n/2);
}
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int main(){
int x= 10;
int y=10;
int s=-(-x-y)
cout<
return 0;
}
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