abubeker

This page lists questions and answers that were posted by visitors named abubeker.

Questions

The following questions were asked by visitors named abubeker.

Answers

The following answers were posted by visitors named abubeker.

we can use permutation to compute, there are 2 ways for the letters and 4 ways for the digits. Totally there are 6 ways 2!4!/6!= 1/15
4 years ago
Athlet e meseret defar runs at10m/s. How long will it take her to go?
3 years ago