Learn To Be
Open menu
Enroll A Student
Become A Tutor
Partner With Us
Sign In
Close menu
Enroll A Student
Become A Tutor
Partner With Us
Sign in
Timed Test For
Robot combinations
Not ready for a timed test?
Practice this topic instead
Sample Problem
The art department has given you $3$ different heads and $3$ different bodies. Your task is to build robots consisting of one head and one body. ![3 robot heads and 3 robot bodies](https://ka-perseus-images.s3.amazonaws.com/bb5f88653fb9ef13165ab62ed233a15d013322b0.png) How many different robots can you make? [[☃ numeric-input 1]]
What's your name?
Duration
30 seconds
60 seconds (1 minute)
120 seconds (2 minutes)
180 seconds (3 minutes)
300 seconds (5 minutes)