Alice has scored 𝑋X marks in her test and Bob has scored 𝑌Y marks in the same test.Alice is happy if she scored at least twice the marks of Bob’s score.Print "Yes" is she is happy.Other wise print nothing.Option 1:if (X >= 2 * Y) { printf("YES");}Option 2:if (X > 2*Y) { printf("YES");}Option 3:if (2*Y <= X) { printf("YES");}Option 4:if (2*Y >= X) { printf("YES");}
Question
Alice has scored 𝑋X marks in her test and Bob has scored 𝑌Y marks in the same test.Alice is happy if she scored at least twice the marks of Bob’s score.Print "Yes" is she is happy.Other wise print nothing.Option 1:if (X >= 2 * Y) { printf("YES");}Option 2:if (X > 2Y) { printf("YES");}Option 3:if (2Y <= X) { printf("YES");}Option 4:if (2*Y >= X) { printf("YES");}
Solution 1
The correct option is Option 1:
if (X >= 2 * Y) { printf("YES");}
This is because Alice is happy if she scored at least twice the marks of Bob’s score. The 'greater than or equal to' operator (>=) in this option ensures that Alice's score is either greater than or exactly twice Bob's score.
Option 2 is incorrect because it only checks if Alice's score is more than twice Bob's score, not if it's equal to twice Bob's score.
Option 3 is essentially the same as Option 1, just rearranged, so it's also correct.
Option 4 is incorrect because it checks if twice Bob's score is greater than or equal to Alice's score, which is the opposite of the condition we want.
Solution 2
Option 1, Option 2, and Option 3 are correct.
In Option 1, the condition checks if Alice's score (X) is greater than or equal to twice Bob's score (2*Y). If true, it prints "YES".
In Option 2, the condition checks if Alice's score (X) is strictly greater than twice Bob's score (2*Y). If true, it prints "YES". However, this option does not cover the case where Alice's score is exactly twice Bob's score.
In Option 3, the condition is essentially the same as Option 1, just rearranged. It checks if twice Bob's score (2*Y) is less than or equal to Alice's score (X). If true, it prints "YES".
Option 4 is incorrect because it checks if twice Bob's score (2*Y) is greater than or equal to Alice's score (X), which is the opposite of the condition we want.
Similar Questions
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