Related Questions

A can do a piece of work in 24 days, B in 32 days and C in 64 days. All begin to do it together, but A leaves after 6 days and B leaves 6 days before the completion of the work. How many days did the work last?
A 20
Sidereal day
A Is the period of time taken by the earth in making a complete rotation with reference to stars
B Is slightly shorter than an ordinary solar day
C Is divided into the conventional hours, minutes and seconds
D All the above
The sidereal day is the time interval between two successive upper transits of
A Mean sun
B First point of Aries
C First point of Libra
D The polar star
What is 'Sidereal Day'?
A The day on which the duration of sunshine is the maximum
B The day on which the duration of sunshine and darkness are equal
C The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
D The day on which the sun reaches its maximum distance from the equator
The.............. of the world extend around the equator in tropical and semi-tropical regions.
A . areas that grow cotton
B growth of cotton areas
C cotton-growing areas
D areas that cotton is grown
If the wind in a tropical depression exceeds this speed, it is ----- to a this speed, it is ----- to a 'tropical storm' and ---- a personal name.
A sundry, help
B productive, support
C efficient, subsidy
D successful, coverage
If the wind in a tropical depression exceeds this speed, it is ---- to a 'tropical storm' and ---- a persona name.
A demoted, awarded
B consigned, gifted
C upgraded, assigned
D elevated, presented
If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because
A The soil of rain forest is deficient in nutrients
B Propagules of the trees in a rain forest have poor viability
C The rain forest species are slow growing
D Exotic species invade the fertile soil of rain forest
A can do a piece of work in 10 days , B can do the same in 30 days and c in 60 days . If A is assisted on alternate days by B and C, in how many days would the work get completed?
A 4
B 5
C 6
D 8
A can do a job in 24 days . B in 9 days and C in 12 days . B and C together start the work but leave after 3 days . How many days was taken by A to complete the remaining work ?
A 7
B 9
C 10
D 12

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