Question

The password to Alex’s bicycle lock is a multiple of 7, which lies in between 80 and 90. What is the password?​

• A. 84
• B. 81
• C. 89
• D. 87

Answer 1

The correct option is A 84

To find the password to Alex’s bicycle, we need to find the multiple of 7 that is between 80 and 90.

We know that 70 is a multiple of 7, that is, 7 × 10.
Next multiple of 7 will be 77, that is, 7 × 11.
Next multiple of 7 will be 84, that is, 7 × 12 which is in between 80 and 90.
Thus 84 is the required answer.