What is the product of all the digits on a calculator keypad (0–9)?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 0.
Digits on a calculator keypad are: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
Product = 0 × 1 × 2 × 3 × 4 × 5 × 6 × 7 × 8 × 9
Since any number multiplied by 0 is 0.