Boost your brain power with our 30-second test. Start with the number on the left and follow the instructions. Beginners should aim to complete the puzzle in 30 seconds. Intermediates should finish their own puzzle and the Beginner’s Challenge. Genius players have 30 seconds to complete their own plus the Intermediate. Good luck!



Beginner
8 x6 +13 Reverse the digits Take the square root +59 ÷7 +67 50% of this ?

Intermediate
102 ÷6 -5 x13 +16 75% of this -53 3/4 of this +69 ?


Advanced
207 -15 7/12 of this -96 Square it +73 6/7 of this +82 6/13 of this ?

Answers:
Beginner: 38
Intermediate: 126
Advanced: 168