Time taken by all 3 bells to ring together = L.C.M of 28, 60 and 84 = 420 seconds 10 minutes = 10 X 60 = 600 seconds 600 ÷ 420 ~ 1.42 So, the three bells will ring together only once in the given interval of 10 minutes.
In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be tru...
Statements: Some books are notebooks.
No notebooks is a pages.
Statements : All Stars are planet
All Satellite are galaxy
Some planets are satellite
Conclusions : I . At least some galaxy ar...
Statements: All TVs are monitors.
...
Statements : Some cities are villages.
No village is a town.
All towns are countries.
Conclusions:I. Some towns being cities is a ...
Statements:
Only a few Portions are Cakes.
Only a few Cakes are Lights.
All Lights are Candle.
Some Lights are no...
Statement:
Only Asha is Jeenat
Some Asha are Charu
Some Charu are not Yash
Conclusion:
I. Some Yash are As...
Statements:
Only a few Balloon are String.
All Balloon are Colour.
Only a few Strings are Scales.
All Scales are Toffee.
Statements:
All ambulance are fire engine.
Some train are fire engine.
Some bus are train.
Conclusions:
I. Some...
Statements:
Mostly temperature is thermometer.
Only a few thermometer is instrument.
Conclusions:
I. Some instrument is not ...