CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
7 litres at Rs. 11/L are mixed with 4 litres at Rs. 39/L. What is the average cost per litre?
A. Rs. 50.00
B. Rs. 21.18
C. Rs. 25.00
D. Rs. 23.18
Correct Answer: B
Weighted average = (7×11+4×39)/11 = Rs. 21.18/L.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
2 litres at Rs. 16/L are mixed with 6 litres at Rs. 34/L. What is the average cost per litre?
A. Rs. 50.00
B. Rs. 29.50
C. Rs. 31.50
D. Rs. 25.00
Correct Answer: B
Weighted average = (2×16+6×34)/8 = Rs. 29.50/L.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
5 litres at Rs. 11/L are mixed with 8 litres at Rs. 41/L. What is the average cost per litre?
A. Rs. 29.46
B. Rs. 31.46
C. Rs. 52.00
D. Rs. 26.00
Correct Answer: A
Weighted average = (5×11+8×41)/13 = Rs. 29.46/L.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
8 litres at Rs. 16/L are mixed with 3 litres at Rs. 36/L. What is the average cost per litre?
A. Rs. 23.45
B. Rs. 26.00
C. Rs. 21.45
D. Rs. 52.00
Correct Answer: C
Weighted average = (8×16+3×36)/11 = Rs. 21.45/L.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
3 litres at Rs. 11/L are mixed with 5 litres at Rs. 31/L. What is the average cost per litre?
A. Rs. 21.00
B. Rs. 42.00
C. Rs. 25.50
D. Rs. 23.50
Correct Answer: D
Weighted average = (3×11+5×31)/8 = Rs. 23.50/L.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
A mixture contains 45 L milk and 8 L water. What percentage of the mixture is water?
A. 20.09%
B. 84.91%
C. 15.09%
D. 17.78%
Correct Answer: C
Water percentage = 8/53×100 = 15.09%.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
6 litres at Rs. 16/L are mixed with 7 litres at Rs. 38/L. What is the average cost per litre?
A. Rs. 27.85
B. Rs. 54.00
C. Rs. 27.00
D. Rs. 29.85
Correct Answer: A
Weighted average = (6×16+7×38)/13 = Rs. 27.85/L.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
A mixture contains 20 L milk and 9 L water. What percentage of the mixture is water?
A. 68.97%
B. 31.03%
C. 36.03%
D. 45.00%
Correct Answer: B
Water percentage = 9/29×100 = 31.03%.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
9 litres at Rs. 11/L are mixed with 9 litres at Rs. 33/L. What is the average cost per litre?
A. Rs. 24.00
B. Rs. 44.00
C. Rs. 22.00
D. Rs. 22.00-1
Correct Answer: C
Weighted average = (9×11+9×33)/18 = Rs. 22.00/L.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
A mixture contains 35 L milk and 10 L water. What percentage of the mixture is water?
A. 22.22%
B. 27.22%
C. 77.78%
D. 28.57%
Correct Answer: A
Water percentage = 10/45×100 = 22.22%.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
4 litres at Rs. 16/L are mixed with 4 litres at Rs. 40/L. What is the average cost per litre?
A. Rs. 30.00
B. Rs. 56.00
C. Rs. 28.00
D. Rs. 28.00-1
Correct Answer: C
Weighted average = (4×16+4×40)/8 = Rs. 28.00/L.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
A mixture contains 50 L milk and 5 L water. What percentage of the mixture is water?
A. 90.91%
B. 10.00%
C. 9.09%
D. 14.09%
Correct Answer: C
Water percentage = 5/55×100 = 9.09%.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
7 litres at Rs. 11/L are mixed with 6 litres at Rs. 35/L. What is the average cost per litre?
A. Rs. 23.00
B. Rs. 22.08
C. Rs. 46.00
D. Rs. 24.08
Correct Answer: B
Weighted average = (7×11+6×35)/13 = Rs. 22.08/L.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
A mixture contains 25 L milk and 6 L water. What percentage of the mixture is water?
A. 24.00%
B. 19.35%
C. 24.35%
D. 80.65%
Correct Answer: B
Water percentage = 6/31×100 = 19.35%.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
2 litres at Rs. 16/L are mixed with 8 litres at Rs. 30/L. What is the average cost per litre?
A. Rs. 29.20
B. Rs. 23.00
C. Rs. 27.20
D. Rs. 46.00
Correct Answer: C
Weighted average = (2×16+8×30)/10 = Rs. 27.20/L.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
A mixture contains 40 L milk and 7 L water. What percentage of the mixture is water?
A. 14.89%
B. 85.11%
C. 19.89%
D. 17.50%
Correct Answer: A
Water percentage = 7/47×100 = 14.89%.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
5 litres at Rs. 11/L are mixed with 3 litres at Rs. 37/L. What is the average cost per litre?
A. Rs. 22.75
B. Rs. 24.00
C. Rs. 20.75
D. Rs. 48.00
Correct Answer: C
Weighted average = (5×11+3×37)/8 = Rs. 20.75/L.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
A mixture contains 55 L milk and 8 L water. What percentage of the mixture is water?
A. 17.70%
B. 12.70%
C. 87.30%
D. 14.55%
Correct Answer: B
Water percentage = 8/63×100 = 12.70%.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
8 litres at Rs. 16/L are mixed with 5 litres at Rs. 32/L. What is the average cost per litre?
A. Rs. 24.15
B. Rs. 22.15
C. Rs. 48.00
D. Rs. 24.00
Correct Answer: B
Weighted average = (8×16+5×32)/13 = Rs. 22.15/L.
CSS - PMS - CCE - PCS - Mathematics
Mixture & Alligation
A mixture contains 30 L milk and 9 L water. What percentage of the mixture is water?
A. 76.92%
B. 23.08%
C. 30.00%
D. 28.08%
Correct Answer: B
Water percentage = 9/39×100 = 23.08%.