puzzle

You want to send a valuable object to a friend& You have a box to send the object.
The box has a locking ring which is more than large enough to have a lock attached
You and your friend have several locks with keys.
Butthe problem is that your friend does not have the key to any lock that you have, and vice versa. How do you do it?


Note: you cannot send a key in an unlocked box


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Solution:

Attach a lock to the ring. Send it to her. She attaches her own lock and sends it back. You remove your lock and send it back to her. She removes her lock.

simple

PUZZLE

HOW MANY TRIANGLES ARE THERE IN THIS FOLLOWING FIGURE...?


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U CAN WRITE YOUR ANSWER IN COMMENT


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THE CORRECT ANSWER IS 20

MATHS PUZZLE

solve this


Village A has a population of 70,000, which is decreasing at the rate of 1000 per year.
Village B has a population of 52000, which is increasing at the rate of 400 half yearly
.How many years will they take to reach same population


try its easy .............











leave your answer as a comment......


ANSWER

let,after x yrs their will b same...

after x yrs in A population decreases 1000x & in B population increases (2*400*x)=800x .

So,
70000-1000x = 52000 + 800x
x= 10

SOLVE THIS......

solve this ...


4___4___4___4=20

rules
>USe any three symbols two solve it
>u can use Multiply*, Subtract-, Add+ or divide/.........dnt use symbols twice






one solution to this problem is
[ ( 4 / 4) + 4 ] * 4
T
if u have any other u can write in comment with ur name