A) Rs 780
B) Rs 860
C) Rs 920
D) Rs 1300
Correct Answer: B
Solution :
As we have, = ` 140 or Train = ` 140 + Car ...(i) Now, we are given =Rs 1280 or 2 Cars + 2 Trains = Rs 1280 \[\Rightarrow \]2 Cars + 2(140 + Car) = Rs 1280 [From (i)] or 4 Cars + 280 = Rs 1280 \[\Rightarrow \]4 Cars = Rs 1000 \[\Rightarrow \]1 Car \[=\frac{1000}{4}\]= Rs 250 .... (ii) Now, we also have = ` 820 or Car + Bear + (140 + Car) = ` 820 [from (i)] \[\Rightarrow \]2 Cars + Bear + 140 = 820 or 2 250 + Bear + 140 = 820 [from (ii)] \[\therefore \]Bear\[=\text{ }820-640=180\] \[\Rightarrow \] Bear = ` 180 Now, required cost of \[=2\times 250+2\times 180\]= ` 860You need to login to perform this action.
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