One day on reaching school I found there were a total of 16 bicycles and tricycles parked in the school compound. I counted the total number of wheels to be 38. Find out the number of bicycles.
10 bicycles.
Explanation:: All the cycles will have at least 2 wheels, so 16 cycles will have 16x2=32 wheels. But in total there are 38 wheels. So the extra wheels (38-32=6) must be of the tricycles because bicycles have 2 wheels and tricycles have 3 wheels.
Therefore, the number of tricycles parked is 6 and hence the number of bicycles is 10.
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Which word in the dictionary is spelled incorrectly?
I help you in fixing your appointments and important schedules. You use me everyday several times. Still you keep on changing me every month. Who am I?
Only one color, but not one size,
Stuck at the bottom, yet easily flies,
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What am I?
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