12
Q:

Shiva purchased 280 kg of Rice at the rate of 15.60/kg and mixed it with 120 kg of rice purchased at the rate of 14.40/kg. He wants to earn a profit of Rs. 10.45 per kg by selling it. What should be the selling price of the mix per kg?

A) Rs. 22.18 B) Rs. 25.69
C) Rs. 26.94 D) Rs. 27.54

Answer:   B) Rs. 25.69



Explanation:

Rate of rice of quantity 280 kg = Rs. 15.60/kg

Rate of rice of quantity 120 kg = Rs. 14.40/kg

He want to earn a profit of Rs. 10.45/kg

Rate of Mix to sell to get profit of 10.45 =  

 

280 x 15.60 + 120 x 14.40280 + 120 + 10.454368 + 1728400 + 10.45=> 15.24 + 10.45= 25.69 

Q:

In a mixture of 165 litres, the ratio of liquids X and Y is 6 : 5. If 5 litres of liquid Y is added in the mixture, then what is the ratio of X and Y in the new mixture?

 

A) 10 : 9 B) 8 : 7  
C) 9 : 8   D) 5 : 4
 
Answer & Explanation Answer: C) 9 : 8  

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2 211
Q:

25 litres of a mixture contains 30% of spirit and rest water. If 5 litres of water be mixed in it, the percentage of spirit in the new mixture is

 

A) 45% B) 33 1/3%
C) 25 % D) 12 1/2%
 
Answer & Explanation Answer: C) 25 %

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0 279
Q:

The ratio of sand to gravel in a mixture is 17 : 9 while that between gravel and cement is 6 : 17. What is the ratio of sand to cement in the mixture?

 

 

A) 289 : 54 B) 9 : 6
C) 17 : 17 D) 2 : 3
 
Answer & Explanation Answer: D) 2 : 3

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2 352
Q:

Rahul adds 2 litres of alcohol in 6 litres of water and Dinesh adds 1 litres of alcohol in 9 litres of water. What is the ratio of the percentage of alcohol in the two mixtures?

 

A) 7 : 4 B) 2 : 1
C) 5 : 2 D) 8 : 3
 
Answer & Explanation Answer: C) 5 : 2

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4 463
Q:

In what ratio salt costing Rs 13/kg mixed with another salt costing Rs 7/ kg to get a mixture costing Rs 9/kg?

 

A) 4 : 7   B) 3 : 5  
C) 2 : 3   D) 1 : 2
 
Answer & Explanation Answer: D) 1 : 2

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2 332
Q:

In an alloy of German silver. the ratio of copper to zinc was 21 : 16 while that of nickel to zinc was 7 : 24. What was the ratio of copper to zinc to nickel in the alloy?

 

A) 21 : 16 : 7 B) 17 : 21 : 4
C) 63 : 48 : 14 D) 68 : 28 : 21
 
Answer & Explanation Answer: C) 63 : 48 : 14

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3 755
Q:

Vipin adds 3 litres of liquid A in 6 litres of liquid B and Mohit adds 8 litres of liquid A in 15 litres of liquid B. What is the ratio of the percentage of liquid B in the two mixtures?

 

A) 26 : 25 B) 51 : 32
C) 46 : 45 D) 34 : 25
 
Answer & Explanation Answer: C) 46 : 45

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5 436
Q:

Two vessels of equal volume contain milk and water in the ratio 1:3 and 2:1. If they are mixed together, what is the new ratio?

A) 11:13 B) 13:11
C) 9:11 D) 11:9
 
Answer & Explanation Answer: A) 11:13

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4 452