Mixtures & Allegations [NRA CGL (National Recruitment Agency-Combined Graduate Level) Mathematics]: Questions 6 - 8 of 8

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Question 6

Mixtures & Allegations
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Question

MCQ▾

A and B are two alloys of gold and copper prepared by mixing metals in the ratios 5: 6 and 6: 16 respectively. Equal quantities of these alloys are melted to form a third alloy C. the ratio of gold and copper in the alloy C is (Paper- I)

Choices

Choice (4)Response

a.

9: 17

b.

14: 8

c.

17: 9

d.

8: 14

Question 7

Mixtures & Allegations
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Question

MCQ▾

10 kg of urad dal costing Rs. 55 per kg is mixed with 15 kg of urad dal costing Rs. 50 per kg. The average price per kg of mixed urad dal is

Choices

Choice (4)Response

a.

Rs. 70

b.

Rs. 95

c.

Rs. 52

d.

Rs. 75

Question 8

Mixtures & Allegations
Edit

Question

MCQ▾

15 kg of beans costing Rs. 80 per kg is mixed with 5 kg of beans costing Rs. 60 per kg. the average price per kg of mixed beans is

Choices

Choice (4)Response

a.

Rs. 68

b.

Rs. 95

c.

Rs. 57

d.

Rs. 75