Mixture and Alligation Objective Type Questions


16. A man traveled a distance of 80 km. in 7 hours partly on foot at the rate of 8 km/hr and partly on bicycle at 16 km/hr. Find the distance traveled on foot?

(a) 32 km

(b) 31 km

(c) 28 km

(d) 21 km

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Correct Answer is (a) 

17. A merchant borrowed Rs. 2500 from two money lenders. For one loan he paid 8% per annum and for the other 6% per annum. The total interest paid for 1 year was Rs. 180. How much did he borrow at each rate?

(a) Rs. 1500 & Rs. 1000

(b) Rs. 1800 & Rs. 700

(c) Rs. 1750 & Rs. 750

(d) Rs. 1250 & Rs. 1250

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Correct Answer is (a) 

18. A tea merchant buys two kinds of tea, the price of the first kind being twice that of the second. He sells the mixture at Rs. 17.50 per kg., thereby making a profit of 25%. If the ratio of first and second kinds of tea in the mixture be 2:3, find the cost price of each kind of tea –

(a) Rs. 20 & Rs. 10

(b) Rs. 12 & Rs. 17

(c) Rs. 17 & Rs. 12

(d) Rs. 10 & Rs. 20

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Correct Answer is (a) 

19. A cup of milk contains 3 parts pure milk and one part of water. How much of the mixture must be withdrawn and substituted by water in order that the resulting mixture may be half milk and half water?

(a) 1/3

(b) 2/3

(c) 3/5

(d) 1/5

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Correct Answer is (a) 

20. A sum of Rs. 18.45 is made up of 90 coins which are either 10 paise coins or 25 paise coins. Find the number of each type of coins.

(a) 7:3

(b) 3:7

(c) 2:5

(d) 5:2

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Correct Answer is (b) 

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