Alligation and mixture question and answers for bank and ssc exams
Alligation and mixture question and answers for Competition Exams:
Q : Milk and water are mixed in vessel A in the ratio of 5:2 and in vessel B in the ratio of 8:5. In what ratio should quantities be taken from the two vessels so as to form a mixture in which milk and water will be in the ratio of 9:4 ?
(A) 7:2
(B) 5:2
(C) 2:7
(D) 2:5
Correct Answer : A
Lala has lent some money to Arun at 5% p.a. and Bhatia at 8 % p.a. At the end of the year, he has gained an overall interest at the rate 6%. In what ratio has he lent the money to Arun and Bhatia?
(A) 3 : 2
(B) 3 : 1
(C) 2 : 1
(D) 1 : 2
Correct Answer : C
Gold is 19 times as heavy as water and copper is 9 times as heavy as water. In what ratio should these metals be mixed so that the mixture may be 15 times as heavy as water?
(A) 3: 2
(B) 2 :3
(C) 2 :4
(D) None of these
Correct Answer : A
A shopkeeper bought 15 kg of rice at the rate of Rs.29 per kg and 25 kg of rice at the rate of Rs.20 per kg. He sold the mixture of both types of rice at the rate of Rs. 27 per kg. his profit in this transaction is___
(A) Rs. 150
(B) Rs. 155
(C) Rs.145
(D) Rs. 140
Correct Answer : C
A vessel contain some litres of pure milk. If 25 litre of water is added to the vessel, then ratio between milk and water becomes 12:5, 17 litres of mixture is drawn from the vessel and 10 litre of water is added to the mixture. Find the new ratio between milk and water.
(A) 8 : 5
(B) 5 : 8
(C) 6 : 5
(D) 5 : 6
Correct Answer : A