- Option : B
- Explanation :
Interest on Rs.22500 = 0.1 x 22500 = 2250

Charges for managing the concern = 60 x 12 = 720

If yearly profit is x, then B's share and A's share = (x/2)

∴(x/2)-2250 + 720

= (1/2)((x/2) -720 + 2250)

=> x = Rs. 9180.

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- Option : D
- Explanation :
Difference in % of votes = 57-43 = 14%

14% is represented by 420

Total number of votes = 420*(100/14)= 3,000

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- Option : C
- Explanation :
Let CP be Rs.x

SP = 1.2 x But he gets only 1.2x * 0.8 = 0.96x

Loss = 0.04x

Hence Loss % = 4.

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- Option : B
- Explanation :
CP = Rs.550

∴ Marked price = 1.3x550 = Rs.715

∴ sales price = 0.8x715 = Rs.572.

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