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There are 5 candidates for mathematics , 7 for science and 3 for arts scholarship . Find the number of ways of give one scholarship either for mathematics or for science or for arts.

The ratio of the number of boys and girls in a school is 3:2. If 20% of the boys and 30% of the girls are scholarship holders, then the percentage of students, who do not get scholarship, is

The ratio of the number of boys and girls in a school is 3:2.If 20% of the boys and 25% of the girls are scholarship holders, then the percentage of the students who do not get the scholarship, is

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You are given following information about four producers A,B,C and D in an economy. A sells Rs. 300 worth of his output to B, Rs. 200 worth of his output to C and Rs. 500 worth of output to households. The sales of B to A, C and D are worth Rs. 400, Rs. 200 and Rs. 300 respectively. C sells to A, B and D output worth Rs. 100 each. Sales by C to households are worth Rs. 900. D sells to household output worth Rs. 700. His exports are worth Rs. 300 while stock worth Rs. 200 remains unsold with D. Estimate the value added by. (i) A, B, C and D separately. (ii) All of them together.

Aarushi,sold 100 lottery tickets in which 5 tickets carry prizes.If Priya purchased a ticket,what is the probability of Priya winning a prize? (19)/(20) (b) (1)/(25) (c) (1)/(20) (d) (17)/(20)

There are 3 condidates for a Classical; 5 for a Mathematical and 4 for a Natural science scholarship.(i) In how many ways can these scholarship be awarded? (ii) In how many ways one of these scholarships be awarded?

There are 3 candidates for a classical,5 for a Mathematical,and 4 for a Natural science scholarship.In how many ways can these scholarships be awarded? In how many ways one of these scholarships be awarded?