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16km = 16000 m A makes it around the track 10 times (16000/1600) in an hour Similarly B = 15 times and C = 20 times in an hour In 60 minutes, A will complete track once every 6 minutes, B once every 4 minutes and C once every 3 minutes LCM of A,B,C is 12 IXAMBEE APPROACH: Time = Distance/Speed Time for A = 1.6/16 hours Time for B = 1.6/24 hours Time for C = 1.6/32 hours LCM of A,B,C = (LCM of numerator)/(HCF of Denominator) = (LCM of 1.6,1.6,1.6)/(HCF of 16,24,32) = 1.6/8 hours 1.6/8 hours = 12 minutes
Statements: All chocolates are ice-creams.
All ice-creams are toffees.
All toffees are cold-drinks.
Statements:
Only a few universe is comet
All comet is star
No planet is comet
Conclusions:
Statements: All flowers are books.
All books are carpets.
Some carpets are keys.
Some keys are locks.
Statements:
Only a few Portions are Cakes.
Only a few Cakes are Lights.
All Lights are Candle.
Statements:No town is a city.
All cities are islands.
Conclusions:I. No island is a town.
II. All islands are cities.
Statement:
Some apples are mangoes.
No mango is grape.
Only few mangoes are oranges.
All papayas are oranges.
Statements:
All tool is menu.
All menu is design.
Only a few design is insert.
A few insert is page.
Conclusions:
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