Related Questions

A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory . There are 100 seniors, 150 juniors and 200 sophomres who applied. Each senior's junior's name , 2 times; and each sophomres who applied. Each senior's name is placed in the lottery 3 times; each junior's name ,2 times name, 2 times ; and each sphomore's name , 1 time . What is the probability that a senior's name will be chosen?
A 18
B 38
C 48 
D 28
The Continents of Africa and Europe, at their close at point are separated from each other by the strait of
A Messina
B Bonifacio
C Gibraltar
D Otranto
In case of a concave mirror, if an object is kept between principal focus F and pole P of the mirror, then which one of the following statements about the image is not correct?
A The image will be virtual
B The image will be enlarged or magnified
C The image will be formed at infinity
D The image will be erect
A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 100 seniors, 150 juniors, and 200 sophomores who applied. Each senior's name is placed in the lottery 3 times, each junior's name, 2 times, and each sophomore's, 1 time. What is the probability that a senior's name will be chosen?
A 1/8
B 2/9
C 2/7
D 3/8
If a square mirror has a 20-inch diagonal, what is the approxirnate perimeter of the mirror, in inhes?
A 47
B 51
C 57
D 60
If a square mirror has a 20-inch diagonal, what is the approximate perimeter of the mirror, in inches?
A 40
B 60
C 80
D None of these
If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used?
A Concave
B Convex
C Cylindrical
D Plane
Which of the following function creates a CSS gradient image that can be used anywhere an image URL is required, including background-image, border-image, and list-style properties?
A canvas
B gradient
C animation
D color
How many continents are there in the world ?
A 4
B 5
C 6
D 7
Which city in the world located in two continents ?
A Cairo
B Paris
C Istanbul
D Casablanca

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