John Received 72% Marks in Thermodynamics

question 94

Multiple Choice

John received 72% marks in Thermodynamics.On recounting his marks were increased to 82%.What is the percentage increase in his marks?

• A)10%
• B)13.9%
• C)12.2%
• D)0%
• E)12%

---

Definitions:

Stethoscope

A medical instrument used for listening to the internal sounds of the body, such as the heart and lungs.

Q-R-S Complex

A series of deflections in an ECG representing ventricular depolarization, preceding the contraction of the ventricles.

Ventricular Depolarization

A stage in the cardiac cycle where ventricles contract, triggered by electrical impulses that precede the pumping of blood.

ECG

Electrocardiogram, a medical test that measures the electrical activity of the heart to detect heart problems.