IBPS PO Quantitative Aptitude (Mixture & Allegation, Probability) Quiz For Prelims: 21st March 2019

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IBPS PO Quantitative Aptitude (Mixture & Allegation, Probability) Quiz For Prelims: 21st March 2019

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Quantitative Aptitude Quiz For IBPS PO/Clerk Prelims

Numerical Ability or Quantitative Aptitude Section has given heebie-jeebies to the aspirants when they appear for a banking examination. As the level of every other section is only getting complex and convoluted, there is no doubt that this section, too, makes your blood run cold. The questions asked in this section are calculative and very time-consuming. But once dealt with proper strategy, speed, and accuracy, this section can get you the maximum marks in the examination. Following is the Quantitative Aptitude quiz to help you practice with the best of latest pattern questions.

Q1. A producer of rice mixes two varieties of rice from two fields one costing Rs 18 per kg and another Rs 20 per kg in the ratio 5 : 3. If he sells the mixed variety at Rs 21 per kg, then his gain percent is

12%
13%
14%
15%
10%
Solution:

Q2. Two vessels A and B contains milk and water mixed in the ratio 8:5 and 5:2 respectively. The ratio in which these two mixtures be mixed to get a new mixture containingmilk is

3:5
5:2
5:7
2:7
4:7
Solution:

Q3. There are two vessels A and B. Vessel A is containing 40 litres of pure milk and vessel B is containing 22 litres of pure water. From Vessel A, 8 litres of milk is taken out and poured into vessel B. Then 6 litres of mixture is taken out from Vessel B and poured into vessel A. What is the ratio of the quantity of pure milk in vessel A to the quantity of pure water in vessel B?

11 : 21
19 : 11
21 : 11
2 : 1
7 : 11
Solution:

Q4. Two litres of mixtures of wine and water contain 12% water. They are added to 3 litres of another mixture containing 7% water, and half a litre of water in then added to whole. What is the percentage of water in resulting concoction?

17(2/7)%
15(7/11)%
17(3/11)%
16(2/3)%
None of these
Solution:

Q5. A mixture of a certain quantity of milk with 16 litres of water is worth Rs 3 per litre. If pure milk be worth Rs 7 per litre how much milk is there in the mixture ?

10 litres
12 litres
14 litres
16 litres
18 litres
Solution:

Let the total quantity of mixture be x ℓ.
∴ 3x = 7(x - 16) or x = 28 ℓ
∴ quantity of milk = 12ℓ

Q6. A Pet Dog on a controlled diet is fed daily 300 g of a mixture of two foods, X and food Y. Food X contains 10% protein and food Y contains 15% protein. If the pet dog diet provides exactly 38 g of protein daily, how many grams of food X are in the mixture?

100
150
200
140
225
Solution:

Q7. The cost price of three varieties of apples namely A, B and C is Rs. 20/kg, Rs. 40/kg and Rs. 50/kg respectively. Find the selling price of one kg of apple in which these three varieties of apples are mixed in the ratio of 2 : 3 : 5 such that there is a net profit of 20% ?

Rs. 48
Rs. 48.6
Rs. 49.2
Rs. 49.8
Rs. 47.2
Solution:

Q8. In a vessel there is a certain quantity of mixture of milk and water in the ratio 5 : 1 respectively. 24 litres of mixture is taken out and same quantity of milk is added to the vessel. The ratio of milk and water now becomes 13 : 2 respectively. Again 15 litres of mixture is taken out. What is the quantity of milk in the resulting mixture? (in litres)

85 litres
80 litres
81 litres
91 litres
104 litres
Solution:

Q9. Vessels A and B contain mixture of milk and water in the ratios 4 : 5 and 5 : 1 respectively. In what ratio should quantities of mixtures be taken from A and B to form a mixture in which milk to water is in the ratio 5 : 4 ?

2 : 5
4 : 3
5 : 2
2 : 3
3 : 4
Solution:

Q10. A bag contains 5 red, 7 yellow and 6 green balls. 3 balls are drawn randomly. What is the probability that balls drawn contain exactly 2 green balls?

14/68
13/68
15/91
15/68
3/68
Solution:

Q11. A bag contains 9 red and 7 white balls. Four balls are drawn out one by one and not replaced. What is the probability that they are alternatively of different colours?

9/65
6/65
9/130
7/130
3/65
Solution:

Q12. 8 persons are seated at a round table. What is the probability that 3 particular persons sit together?

2/7
1/7
3/14
3/14
3/2
Solution:

Q13. A bag contains 7 blue balls and 5 yellow balls. If two balls are selected at random, what is the probability that non is yellow?

5/33
5/22
7/22
7/33
7/66
Solution:

Q14. Anil can kill a bird once in 3 shots. Assume that he fires 3 shots, find the probability that the bird is killed.

1/3
(1/3)³
19/27
8/9
5/9
Solution:

Q15. A die is thrown once. What is the probability of occurrence of an odd number on the upper face?

2/3
1/2
1/4
1/8
1
Solution:

Favorable cases = 1, 3, 5 (3)
Possible cases =1,2,3,4,5,6 (6)
∴ Required probability = 3/6
= 1/2

               






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