C.P. of 30 articles = Rs. | ❨ | 5 | x 30 | ❩ | = Rs. 25. |
6 |
S.P. of 30 articles = Rs. | ❨ | 6 | x 30 | ❩ | = Rs. 36. |
5 |
∴ Gain % = | ❨ | 11 | x 100 | ❩% = 44%. |
25 |
Cost Price of 1 toy = Rs. | ❨ | 375 | ❩ | = Rs. 31.25 |
12 |
Selling Price of 1 toy = Rs. 33
So, Gain = Rs. (33 - 31.25) = Rs. 1.75
∴ Profit % = | ❨ | 1.75 | x 100 | ❩% | = | 28 | % = 5.6% |
31.25 | 5 |
Then, 3(y - x) = (2y - x) ⟹ y = 2x.
Profit = Rs. (y - x) = Rs. (2x - x) = Rs. x.
∴ Profit % = | ❨ | x | x 100 | ❩% = 100% |
x |
Then, | 1920 - x | x 100 = | x - 1280 | x 100 |
x | x |
⟹ 1920 - x = x - 1280
⟹ 2x = 3200
⟹ x = 1600
∴ Required S.P. = 125% of Rs. 1600 = Rs. | ❨ | 125 | x 1600 | ❩ | = Rs 2000. |
100 |
∴ Required ratio = |
|
= | 6PR | = | 6 | = 2 : 3. | ||||
|
9PR | 9 |
Gain in 2 years |
|
||||||||||||||||
= Rs. (625 - 400) | |||||||||||||||||
= Rs. 225. |
∴ Gain in 1 year = Rs. | ❨ | 225 | ❩ | = Rs. 112.50 |
2 |
Selling Price (S.P.) = Rs. 5800.
Gain = (S.P.) - (C.P.) = Rs.(5800 - 5500) = Rs. 300.
Gain % = | ❨ | 300 | x 100 | ❩% | = 5 | 5 | % |
5500 | 11 |
C.P. of 1 orange = Rs. | ❨ | 350 | ❩ | = Rs. 3.50 |
100 |
S.P. of 1 orange = Rs. | ❨ | 48 | ❩ | = Rs. 4 |
12 |
∴ Gain% = | ❨ | 0.50 | x 100 | ❩% | = | 100 | % = 14 | 2 | % |
3.50 | 7 | 7 |
⟹ C.P. of 12 balls = S.P. of 17 balls = Rs.720.
⟹ C.P. of 1 ball = Rs. | ❨ | 720 | ❩ | = Rs. 60. |
12 |
⟹ x = | ❨ | 18700 x 115 | ❩ | = 25300. |
85 |
Hence, S.P. = Rs. 25,300.
C.P. of 1st transistor = Rs. | ❨ | 100 | x 840 | ❩ | = Rs. 700. |
120 |
C.P. of 2nd transistor = Rs. | ❨ | 100 | x 960 | ❩ | = Rs. 1000 |
96 |
So, total C.P. = Rs. (700 + 1000) = Rs. 1700.
Total S.P. = Rs. (840 + 960) = Rs. 1800.
∴ Gain % = | ❨ | 100 | x 100 | ❩% | = 5 | 15 | % |
1700 | 17 |
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