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## [Smart Math] Time Speed Distance Problem 5

Here’s and example of a SMART MATH problem for TIME SPEED DISTANCE. ### Problem

Two trains travel in the same direction at 50 and 32 km/hr. A man in the slower train observes that it takes 15 seconds for the faster train to completely pass him. What is the length of the slower train?

1. 75 meters
2. 100 meters
3. 160 meters
4. 200 meters
5. 250 meters
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## [Smart Math] Time Speed Distance Problem 4

Here’s and example of a SMART MATH problem for TIME SPEED DISTANCE. ### Problem

If I walk at 3 mph (miles per hour), I miss the train by 2 minutes. If however, I walk at 4 mph, I reach the station 2 minutes before arrival of the train. How far do I walk to reach the station?

1. $\frac{3}{4}$ mile
2. $\frac{4}{5}$ mile
3. 1 mile
4. $\frac{5}{4}$ miles
5. $\frac{4}{3}$ miles
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## [Smart Math] Time Speed Distance Problem 3

Here’s and example of a SMART MATH problem for TIME SPEED DISTANCE. ### Problem

A and B have to go from X to Y which are at a distance of 230 kms from each other. A drives at a constant speed of 100 kms/hr for the first 115 kms and then at an average speed of 50 kms/hr for the remaining distance. B starts with an initial speed of 50 kms/hr at X and drives with constant acceleration such that when he reaches Y, his speed is 100 kms/hr. Which of the following statement is true?

1. A reaches Y first
2. B reaches Y first
3. A and B reach Y together
4. Cannot calculate from given data
5. None of these
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## [Smart Math] Time Speed Distance Problem 2

Here’s and example of a SMART MATH problem for TIME SPEED DISTANCE. ### Problem

If a man walks to his office at 3/4th of his usual rate, he reaches office 1/3rd of an hour later than usual. How much time does he usually take to reach his office?

1. 1/2 hour
2. 1 hour
3. 1/4 hour
4. 3/2 hours
5. 2/3 hour
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## [Smart Math] Time Speed Distance Problem 1

Here’s and example of a SMART MATH problem for TIME SPEED DISTANCE. ### Problem

My watch is 1 minute slow at 1.00 pm on Tuesday and 2 minutes fast at 1.00 pm on Thursday. When did it show the correct time?

1. 1.00 am on Wednesday
2. 5.00 am on Wednesday
3. 1.00 pm on Thursday
4. 5.00 pm on Wednesday
5. 5.00 pm on Thursday
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## [Smart Math] Ratio Proportion Problem 59

Here’s and example of a SMART MATH problem for RATIO PROPORTION. ### Problem

R can do a piece of work in 20 days and K in 25 days. They work together for 5 days and then K leaves. In how many days would R finish the work?

1. 5
2. 9
3. 10
4. 11
5. 12
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## [Smart Math] Ratio Proportion Problem 58

Here’s and example of a SMART MATH problem for RATIO PROPORTION. ### Problem

A fort has a provision for 900 men for 40 days. After 20 days, 300 men join them. For how many days more will the provision last for?

1. 5 days
2. 10 days
3. 15 days
4. 20 days
5. 25 days
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## [Smart Math] Ratio Proportion Problem 57

Here’s and example of a SMART MATH problem for RATIO PROPORTION. ### Problem

An officer divided his 35 hour work week as follows: $\frac{1}{5}$ of his time was spent in sending mails $\frac{1}{2}$ of his time in filing letters $\frac{1}{7}$ of his time in reception work

The rest of his time is spent in messenger work.

What is the percent time spent on messenger work?

1. 6%
2. 10%
3. 12%
4. 16%
5. 21%
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## [Smart Math] Ratio Proportion Problem 56

Here’s and example of a SMART MATH problem for RATIO PROPORTION. ### Problem

Three types of tea each worth $6.00 / lb,$7.50 / lb and $x / lb are mixed in proportion of 1 : 2 : 3 to form a mixture worth$8.50 / lb. What is the value of x in \$ / lb?

1. 7.00
2. 7.50
3. 8.00
4. 8.50
5. 10.00
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## [Smart Math] Ratio Proportion Problem 55

Here’s and example of a SMART MATH problem for RATIO PROPORTION. ### Problem

What is two fifth of one tenth of three eight of nine eleventh?

1. $\frac{27}{2100}$
2. $\frac{26}{2200}$
3. 1
4. $\frac{54}{4400}$
5. $\frac{11}{2100}$