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Q:

The ratio of the number of marbles that Pulak and Menaja had was 5:9 while the ratio of the number of marbles that Jairam and Menaja had was 7:18. What is the ratio of the number of marbles that Pulak and Jairam had?

 

A) 10:7 B) 2:3  
C) 5:7 D) 7:5
 
Answer & Explanation Answer: A) 10:7

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

Q:

The distance between two cities X and Y is 270 km. First train starts from X at 7:00 a.m. and travels towards Y at 40 km/hr. Second train starts from Y at 8:30 a.m. and travels towards X at 30 km/hr. At what time (in a.m.) will both the trains meet?

 

A) 10:00   B)  11:00  
C)  11:30   D)  12:30
 
Answer & Explanation Answer: C)  11:30  

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

Q:

A number was divided in the ratio 3:2. When 8 was was added to each of the numbers the ratio changed to 7:5. The greater of the two numbers was

A) 48 B) 42
C) 27 D) 69
 
Answer & Explanation Answer: A) 48

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Filed Under: Problems on Numbers
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Q:

Two numbers are in the ratio 5:6 when 6 is added to each, the ratio becomes 7:8 then the numbers are

A) 10 & 12 B) 20 & 24
C) 15 & 18 D) 5 & 6
 
Answer & Explanation Answer: C) 15 & 18

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Filed Under: Ratios and Proportions
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Q:

In an alloy of German silver the ratio of copper to zinc was 17:7 while that of nickel to zinc was 4 :3. The ratio of copper to zinc to nickel in the alloy was

A) 17 : 21 : 4 B) 51 : 21 : 28
C) 68 : 28 : 21 D) 17 : 28 : 3
 
Answer & Explanation Answer: B) 51 : 21 : 28

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Filed Under: Ratios and Proportions
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Q:

The ratio between the weights of gold and silver in an alloy is 17:3. If the weight of silver in the alloy is 2.7 gm, find the weight of gold in the alloy?

A) 12.6 gm B) 15.3 gm
C) 18 gm D) 21.2 gm
 
Answer & Explanation Answer: B) 15.3 gm

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Filed Under: Ratios and Proportions
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Q:

The ratio of sand to gravel in a mixture is 17:8 while that between gravel and cement is 6:17. What is the ratio of sand to cement in the mixture?

A) 17:17 B) 289:48
C) 8:6 D) 3:4
 
Answer & Explanation Answer: D) 3:4

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

Q:

A train starts moving from a place X at 7:00 a.m. and arrives at another place Y at 1:00 p.m. on the same day. If the speed of the train is 15 m/s, then what will be the distance (in km) covered by the train?

A) 324 B) 375
C) 390 D) 245
 
Answer & Explanation Answer: A) 324

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Filed Under: Problems on Trains
Exam Prep: Bank Exams , CAT