Today’s Challenge
Each of the ten letters, A-J, in the two sections below contains a subtraction calculation:
- Section 1
E:7–4 J:2–1 G:7–5 A:8–6 C:4–2 I:8–5 F:6–5 B:9–8 H:9–5 D:5–4
- Section 2
I:4–3 A:6–3 H:3–1 B:7–6 F:5–2 J:9–6 E:9–7 G:7–3 D:6–4 C:8–7
Which is the only letter that has the SAME answer in BOTH sections?
The 7puzzle Challenge
The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from 2 up to 84.
The 3rd & 5th rows contain the following fourteen numbers:
6 7 13 16 21 25 36 42 45 50 66 80 81 84
What is the difference between the two multiples of 10?
Make 277 Challenge
Can you arrive at 277 by inserting 1, 2, 3, 4 and 5 into the gaps below?
(◯+◯)³+(◯–◯)³–◯ = 277
Answers can be found here.
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