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What is the relation between velocity and angular velocity
Angular velocity is the rate of change of the angular position with respect to time. It is generally measured in radians per unit time (e.g. seconds) or sometimes in revolutions...
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2 boys and 2 girls are in Room X, and 1 boy and 3 girls in Room Y.
Let us denote 2 boys and 2 girls in room X as B1, B2 and G1, G2 respectively. Let us denote 1 boy and 3 girls in room Y as...
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If a father and son are both defective in red-green colour vision, is it likely that the son inherited the trait from his father? Comment.
Gene for colourblindness is X-chromosome linked, and sons receive their sole from their mother, not from their father. Male-to-male inheritance is not possible for X-linked traits in humans. In the...
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The number of boys and girls in a class are in the ratio 7:5.The number of boys is 8 more than the number of girls. What is the total class strength?
Let the no. of girls be 5x No. of boys=7x According to the question 5x+8=7x 7x-5x=8 2x=8 x=8/2 x=4 No. of girls=5*4=20 no. of boys=7*4 or 5*4+8=28 Hence the total strength of the class is 20+28=48
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Mr. Smith has two children. If the older child is a boy, what are the odds that the other child is also a boy?
Answer: 50 percent.
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A = {1, 2, 3, 5} and B = {4, 6, 9}. Define a relation R from A to B by R = {(x, y): the difference between x and y is odd; x ∈ A, y ∈ B}
A = {1, 2, 3, 5} and B = {4, 6, 9} R = {(x, y): the difference between x and y is odd; x ∈ A, y ∈ B} ∴ R...
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2 boys and 2 girls are in Room X, and 1 boy and 3 girls in Room Y. Specify the sample space for the experiment in which a room
Let us denote 2 boys and 2 girls in room X as B1, B2 and G1, G2 respectively. Let us denote 1 boy and 3 girls in room Y as...
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In a family, having three children, there may be no girl, one girl, two girls or three girls. So, the probability of each is 1/4.
False, because the outcomes are not actually, likely. For no girl, the outcome is bbb, for one girl, it is bgb, gbb, bbg, for two girls, it is bgg, ggb, gbg and...
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Make a list of toys and games that boys typically play and another for girls. If there is a difference between the two lists,
List of toys and games that boys play with: cars, guns, swords, buses, railway trains, lions, etc. (toys), cricket, kabaddi, hockey, football etc. (games). List of toys and games that...
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a) State Ohms law. Derive the relation and give graphical representation for it.
You answer question (a) from the ncert textbook. b) Energy consumed per day = 1 KWh (P x t) cost for 30 days = 1 X 5 X 30 = Rs.150.00
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