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The camber for hill roads in case of bituminous surfacing is adopted as
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?
The suitable surfacing material for a bridge deck slab is
Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal?
For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of
A basket contains four balls of four diffirent colors -white red, black and green which will be distributed among for persons Rajib, Litu, Simu, and Rida. Rida must not be given the black one. Simu not be given either the black one or the green one. If the above conditions are fulfilled, Which of the following must be true?
On a 2 km road, a total of 201 tress are planed on the side of the road at equal distance. How many such trees will be planed on a50 k.m road such that the distance between two consecutive tress is the same as that of the consecutive trees on the 2k.m road?
The maximum shear stress (q) in concrete of a reinforced cement concrete beam is
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?