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?
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?
In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to
Wire-wound resistors are unsuitable for use at high frequencies because they
Safe bearing capacity of black cotton soil varies from
The black cotton soil
Black cotton soil of the Deccan region of India is associated with ________ rocks.
The maximum permissible differential settlement, in case of foundations in clayey soil, is usually limited to
In case of foundations on sandy soil, maximum permissible differential settlement, is usually limited to
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?