Riddles
Go to...
Index
Translations
Pronunciation
Images
Computers
Geography
Languages
0 / 60 seg.
If you count 20 houses on your right going to school and 20 houses on your left coming home, how many houses did you count?
2
0
H
_
_
S
_
S
,
S
_
N
C
_
T
H
_
H
_
_
S
_
S
_
N
Y
_
_
R
R
_
G
H
T
W
_
_
L
D
B
_
T
H
_
S
_
M
_
H
_
_
S
_
S
_
N
Y
_
_
R
L
_
F
T
W
H
_
L
_
C
_
M
_
N
G
B
_
C
K
Clue
YES. HE TOOK AS MUCH TIME FOR THE SECOND HALF OF HIS TRIP AS THE WHOLE TRIP WOULD HAVE TAKEN ON FOOT. SO NO MATTER HOW FAST THE TRAIN WAS, HE LOST EXACTLY AS MUCH TIME AS HE SPENT ON THE TRAIN. HE WOULD HAVE SAVED 1⁄30 OF THE TIME BY WALKING ALL THE WAY
THERE ARE 99 RUNNERS IN MATT'S SCHOOL. THIS IS TRICKY. IF MATT IS THE FIFTIETH FASTEST RUNNER, HE WOULD BE NUMBER 50 IN THE SEQUENCE 1, 2, 3...50. TO BE THE FIFTIETH SLOWEST, HE'D HAVE TO BE NUMBER 50 IN THE SEQUENCE 50, 51, 52...99, SINCE THERE ARE FIFTY NUMBERS FROM 50 TO 99 INCLUSIVE
THERE ARE 9 BOOKS ON THE SHELF. THERE ARE 3 BOOKS TO THE LEFT AND 5 BOOKS TO THE RIGHT. IN TOTAL, THERE ARE 3 + 5 + 1 BOOKS
20 HOUSES, SINCE THE HOUSES ON YOUR RIGHT WOULD BE THE SAME HOUSES ON YOUR LEFT WHILE COMING BACK
Text
Audio
Text & audio
Free text
Multiple option
Previous question
Start
Next question
Please enable JavaScript to continue using this application.