Ratio and Proportion & Mixture and Allegation SSC MTS Questions

Ratio and Proportion & Mixture and Allegation MCQ Questions

1.
Two numbers A and B are such that the sum of 6% of A and 4% of B is two-fifth of the sum of 7% of A and 11% of B then the ratio of A:B is.
SSC MTS 2021-01.09.2023-1
A.
3:07
B.
5:08
C.
1:08
D.
1:07
ANSWER :
C. 1:08
2.
In what ratio must a grocer mix two varieties of rice costing Rs.128 and 143 per kg, respectively, to get a mixture of rice worth 137.75/kg
SSC MTS 2021-01.09.2023-1
A.
12:5
B.
7:13
C.
5:4
D.
6:7
ANSWER :
B. 7:13
3.
There is a 25 litre mixture of milk and water, containing milk and water in the ratio 3 : 2. Find the number of litres of water that should be added to the mixture so that the resultant mizture has 50% water in it:
SSC MTS 2021-01.09.2023-2
A.
10
B.
8
C.
5
D.
12
ANSWER :
C. 5
4.
P and Q are inversely proportional to each other and P is 10, when Q is 6. What will be the value of Q when P is 15?
SSC MTS 2021-01.09.2023-2
A.
9
B.
4
C.
10
D.
15
ANSWER :
B. 4
5.
A mixture contains milk and water in the ratio 9: 7, If it contains 4 litres more milk than water, then find the quantity of milk (in litres) in the mixture:
SSC MTS 2021-04.09.2023-1
A.
18
B.
15
C.
21
D.
14
ANSWER :
A. 18
6.
Two numbers are in the ratio 6:7. If the difference between these numbers is 16, then find the numbers.
SSC MTS 2021-04.09.2023-2
A.
96,112
B.
80,96
C.
120,136
D.
104,120
ANSWER :
A. 96,112