Related Questions

In a city 40% of the people have black hair, 25% have black eyes and 10% have both black hair and black eyes. What percentage of the people in the city has neither black hair nor black eyes?
A 35
B 40
C 45
D 50
In a certain city 40% of the people have black hair, 25% have black eyes and 10% have both black hair and black eyes. What percentage of the people in the city have neither black hair nor black eyes?
A 35
B 40
C 45
D 50
In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to
A Increase the depth of foundation
B Drain the soil
C Compact the soil
D Replace the poor soil
Wire-wound resistors are unsuitable for use at high frequencies because they
A Create more electrical noise
B Are likely to melt under excessive eddy current heat
C Consume more power
D Exhibit unwanted inductive and capacitive effects
Safe bearing capacity of black cotton soil varies from
A 2 to 3 t/m2
B 5 to 7.5 t/m2
C 8 to 10 t/m2
D 10 to 12 t/m2
The black cotton soil
A Undergoes volumetric changes
B Swells excessively when wet
C Shrinks excessively when dry
D All the above
Black cotton soil of the Deccan region of India is associated with ________ rocks.
A Volcanic rocks
B Plutonic rocks
C Sedimentary rocks
D Hypabysal rocks
The maximum permissible differential settlement, in case of foundations in clayey soil, is usually limited to
A 10 mm
B 20 mm
C 30 mm
D 40 mm
In case of foundations on sandy soil, maximum permissible differential settlement, is usually limited to
A 15 mm
B 25 mm
C 35 mm
D 45 mm
A box contains 200 marbles, 25% of which are of black colour. Babu took some marbles from the box found that 30% of them are black. Of the remaining marbles, 10% were black marbles. How many marbles did Babu take?
A 120
B 125
C 150
D None of these

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