Mathmetics

ISBT Mathmetics for all banking PO,Clerk,IBPS PO,Railway,SSC,IAS,OAS Exams

Q1.
In what proportion should a milkman mix milk at Rs.2.40 per litre and Rs.3.60 per litre to make a mixture worth Rs.2.50 per litre ?
1) 5: 17 2) 1:11
3) 11:1 4) 2:3
5)None of these
Answer : 11:1
Explanation :
By alligation method :-
2.40 3.60

2.50

3.60 - 2.50 2.50 - 2.40
= 1.10 10
So, Ratio will be 11 : 1.

View Answer