Q1. Who invented the first mechanical calculator in 1642?
Correct Answer: C
Explanation
Blaise Pascal invented the mechanical calculator (Pascaline) in 1642 to help his father with tax calculations. It was one of the first mechanical calculators capable of addition and subtraction.
Q2. Who invented the first mechanical calculator in 1642?
Correct Answer: C
Explanation
Blaise Pascal invented the mechanical calculator (Pascaline) in 1642 to help his father with tax calculations. It was one of the first mechanical calculators capable of addition and subtraction.
Q3. Who invented the first mechanical calculator in 1642?
Correct Answer: C
Explanation
Blaise Pascal invented the mechanical calculator (Pascaline) in 1642 to help his father with tax calculations. It was one of the first mechanical calculators capable of addition and subtraction.
Q4. Who invented the first mechanical calculator in 1642?
Correct Answer: C
Explanation
Blaise Pascal invented the mechanical calculator (Pascaline) in 1642 to help his father with tax calculations. It was one of the first mechanical calculators capable of addition and subtraction.
Q5. Who invented the first mechanical calculator in 1642?
Correct Answer: C
Explanation
Blaise Pascal invented the mechanical calculator (Pascaline) in 1642 to help his father with tax calculations. It was one of the first mechanical calculators capable of addition and subtraction.
Q6. Who invented the first mechanical calculator in 1642?
Correct Answer: C
Explanation
Blaise Pascal invented the mechanical calculator (Pascaline) in 1642 to help his father with tax calculations. It was one of the first mechanical calculators capable of addition and subtraction.
Q7. Who invented the first mechanical calculator in 1642?
Correct Answer: C
Explanation
Blaise Pascal invented the mechanical calculator (Pascaline) in 1642 to help his father with tax calculations. It was one of the first mechanical calculators capable of addition and subtraction.
Q8. Who invented the first mechanical calculator in 1642?
Correct Answer: C
Explanation
Blaise Pascal invented the mechanical calculator (Pascaline) in 1642 to help his father with tax calculations. It was one of the first mechanical calculators capable of addition and subtraction.
Q9. Who invented the first mechanical calculator in 1642?
Correct Answer: C
Explanation
Blaise Pascal invented the mechanical calculator (Pascaline) in 1642 to help his father with tax calculations. It was one of the first mechanical calculators capable of addition and subtraction.
Q10. Who invented the first mechanical calculator in 1642?
Correct Answer: C
Explanation
Blaise Pascal invented the mechanical calculator (Pascaline) in 1642 to help his father with tax calculations. It was one of the first mechanical calculators capable of addition and subtraction.
