self
Maths Puzzle
If 2505 / 0.5 = 5010 then 25.05 / 0.5 = ?
Read Solution (Total 2)
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- 25.05/0.5 = 50.1
- 12 years agoHelpfull: Yes(4) No(0)
- 2505/(0.5*100)= 5010/100=50.10
- 8 years agoHelpfull: Yes(2) No(0)
self Other Question
There are 100 light switches on the wall, all turned off. A hundred toddlers come by. The first toddler flips every
switch. Then the second toddler flips just switches 2, 4, 6, 8, ... etc. Then the third toddler flips switches 3, 6,
9, 12, ... etc. This pattern continues until finally the 100th toddler flips just switch number 100. How may lights
are turned on at the end?
Which pair of rational numbers lie between 1/5 and 2/5 -
a. 262/1000, 275/1000
b. 362/1000, 562/1000
c. 451/1000, 552/1000
d. 121/1000,131/1000