730
Q:

# Two bus tickets from city A to B and three tickets from city A to C cost Rs. 77 but three tickets from city A to B and two tickets from city A to C cost Rs. 73. What are the fares for cities B and C from A ?

 A) Rs. 4, Rs. 23 B) Rs. 13, Rs. 17 C) Rs. 15, Rs. 14 D) Rs. 17, Rs. 13

Answer:   B) Rs. 13, Rs. 17

Explanation:

Let Rs. x be the fare of city B from city A and Rs. y be the fare of city C from city A.

Then, 2x + 3y = 77 ...(i) and

3x + 2y = 73 ...(ii)

Multiplying (i) by 3 and (ii) by 2 and subtracting, we get: 5y = 85 or y = 17.

Putting y = 17 in (i), we get: x = 13.

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Explanation:

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In a certain a group of men and horses, the total number of legs is 14 more than twice the number of heads. How many horses are there in the group?

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Select the option in which the numbers are related in the same way as are the numbers in the given set.

(14, 18, 277)

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Explanation:

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Q:

Hemant buys a dozen eggs for Rs.  5.50 per egg. While carrying them, two eggs get wasted when they fall down and get damaged. He sells the balance eggs at Rs. 7.70 per egg. Find the net profit earned by him in the overall deal.

 A) Rs. 11 B) Rs. 15 C) Rs. 17 D) Rs. 10.40