Brain Challenge Answers
November 2022Did you feel your Working Memory in action?
Leopard, Zebra and Giraffe.
leopard = 5
zebra = 8
giraffe = 3
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Result = 16
Gil C. has given us a quicker answer to this puzzle. Thank you!
Add the two middle equations: L + Z – 2G = 7
From 1: 13 – 2G = 7
2G = 6
G = 3
Quicker.
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What was the self-talk through this puzzle?
What do we know?
Leopard plus the Zebra = 13
Zebra minus giraffe = 5 (so the zebra is more than the giraffe)
Leopard minus the giraffe = 2. (so the leopard is more than the giraffe)
Leopard plus the Zebra = 13 so the giraffe must be a smaller number that the Leopard and the Zebra.
Let’s try 2 – does that work? If we take 2 away from the zebra, it has to equal 5. Can we make the zebra 3 in the first row? Leopard + 3 = 13? that would make the leopard 10.
But we know that Leopard minus the giraffe = 2. So the Leopard being 10 doesn’t work because that would make the giraffe 8.
Let’s try the giraffe being 3.
And see if you can follow along after that.
Have fun!
Connections.
Did you find the concept linking each of these pairs of words?
1. LOCK – PIANO > KEY
2. SHIP — CARD > Deck
3. TREE — CAR > Trunk
4. SCHOOL – EYE > Pupil (Exam and Private are also possible)
5. PILLOW – COURT > Case
6. RIVER — MONEY > Bank (Flow is also possible)
7. BED — PAPER > Sheet
8. ARMY — WATER > Tank
9. TENNIS — NOISE > Racket
10. EGYPTIAN — MOTHER > Mummy
11. SMOKER — PLUMBER > Pipe
Number Plate Puzzle
Here is a license number plate issued to a car. A 234 HIL
One letter, three numbers, three letters. How many can be issued using this sequence?
Solution
26 x 10 x 10 x 10 x 26 x 26 x 26 = 456,976,000
Word Builder
A R W D N
and, awn, dan, dam, dawn, drawn, nard, rad, ran, rand, raw, wad, wan, wand, war, ward, warn
Any others?
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