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
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
FIVE EYES এর সদস্য দেশ নিচের কোনটি? (Which one of the following is a member of the FIVE EYES?)
A China
B Japan
C Russia
D Newzeland
Pharmacists recently conducted a study with respect to the reasons their customers purchased eye drops to soothe eye dryness. Dry eyes were more frequently experienced by customers who wore contact lenses than by custorners who did not wear contact lenses. The pharmacists concluded that wearing contact lenses, by itself, can cause contact wearers to have dry eyes.
A An inherited condition can cause both weak eyesight and dry eyes
B Physical exertion causes dry eyes in many people who wear contact lenses.
C Most people who have dry eyes do not wear contact lenses.
D Most people who wear contact lenses do not have dry eyes.
There are 9 black and red stones of same size in a box. If you reach into the box with your eyes close, what is the minimum number of stones you must take out to be sure of having a pair that match?
A 2
B 3
C 5
D 10
Choose the right interrogative form of the following sentence. 'Your father come home last night'
A Had your father came homme last night?
B Did your father come home last night?
C Have your father came home last night?
D Was your father came home last night?
Why does a black board appears black in colour?
A It reflects black colour
B It absorbs black colour
C It reflects all colours
D It absorbs all the colours
If white is called black, black is called red, red is called yellow, yellow is called green, green is called blue, blue is called violet and violet is called orange, what would be the colour of human blood?
A green
B black
C red
D yellow
Which is the longest current known as "Black Current" due to its black colour?
A Gulf Stream
B Kuroshio
C California Current
D Antarctica Current

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