2
Q:

Abdul prepared 42 lts of medicine and filled it in bottles of 280 ml each. Find how many bottles would be required?

A) 15 B) 1500
C) 150 D) 300

Answer:   C) 150



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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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1 178
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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2 143
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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1 368
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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1 231
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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3 253
Q:

In a mixture of 35 litres, the ratio of water and acid is 6 : 1. If 5 litres of acid is added to the mixture, then what will be the ratio of water and acid in the new  mixture?

 

A) 5 : 2 B)  4 : 1
C) 3 : 1 D) 6 : 5
 
Answer & Explanation Answer: C) 3 : 1

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2 193
Q:

In an amalgam, mercury and silver are in the ratio of 3 : 7. In the second amalgam, the ratio of same elements is 1 : 9. If equal quantities of these two amalgam are mixed to form a new amalgam, then what will be the ratio of both of these elements in the new amalgam?

 

A) 1 : 4 B) 7 : 81
C) 4 : 15 D) 2 : 7
 
Answer & Explanation Answer: A) 1 : 4

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2 266
Q:

In what ratio must a mixture of 15% spirit strength be mixed with that of 25% spirit strength to get a mixture of 21% spirit strength?

 

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

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2 291