Correct option is C
The correct substitution of the highlighted word is
aptitude.
Explanation: "Aptitude" refers to a natural ability to do something, especially in a specific area like mathematics. (Hindi meaning: योग्यता)
Replace "ability" with "aptitude" to convey a more specific and accurate meaning.
Example: Mayra's
aptitude for solving complex equations is impressive.
Meanings of the given options:
·
Astute: Having sharp intelligence or insight (चतुर)
·
Altitude: The height of something above sea level (ऊंचाई)
·
Attitude: A settled way of thinking or feeling (दृष्टिकोण)