Question

1/3 A bag contains some marbles. Half of the marbles are given to A, of the remaining to B and the remaining to C. If C has twice that of B, then the number of marbles is (1) exactly 12 (3) no unique solution (2) exactly 18 (4) none of these(Koi h?)​

Answer 1

Answer:

/3 A bag contains some marbles. Half of the marbles are given to A, of the remaining to B and the remaining to C. If C has twice that of B, then the number of marbles is (1) exactly 12 (3) no unique solution (2) exactly 18 (4) none of these(Koi h?)

Step-by-step explanation:

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Answer 2

Correct option is

B

Rs. 7543

Given the radius, r and height, h of tent is 12 m and 16 m respectively.

Then, slant height of tent, l=

r

2

+h

2

=

(12)

2

+(16)

2

=

144+256

=

400

=20 m

Now, curved surface area of tent =πrl=3.143×12×20 m

2

=754.30 m

2

.

Cost of 1 m canvas = Rs.10

Total cost of canvas required=Rs. 754.30×10=Rs. 7543.

Hence, option B is correct.

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