A box has 6 black, 4 red, 2 white and 3 blue shirts. When 2 shirts are picked randomly, what is the probability that either both are white or both are blue?

A box has 6 black, 4 red, 2 white and 3 blue shirts. When 2 shirts are picked randomly, what is the probability that either both are white or both are blue?

Question A box has 6 black, 4 red, 2 white and 3 blue shirts. When 2 shirts are picked randomly, what is the probability that either both are white or both are blue? Type multiple_choice Option 4/105 correct Option 1/35 incorrect Option 1/105 incorrect Option 1/15 incorrect Solution

A box has 6 black, 4 red, 2 white and 3 blue shirts. When 2 shirts are picked randomly, what is the probability that either both are white or both are blue? Read More »

Ramesh and Suresh start cleaning a pool together. They do it in 26 days but for the last 6 days only Ramesh was working. When Suresh works alone, in how much time will he completely clean the pool, if Ramesh and Suresh together can clean the pool in 24 days?

Ramesh and Suresh start cleaning a pool together. They do it in 26 days but for the last 6 days only Ramesh was working.  When Suresh works alone, in how much time will he completely clean the pool, if Ramesh and Suresh together can clean the pool in 24 days?

Question Ramesh and Suresh start cleaning a pool together. They do it in 26 days but for the last 6 days only Ramesh was working.  When Suresh works alone, in how much time will he completely clean the pool, if Ramesh and Suresh together can clean the pool in 24 days? Type multiple_choice Option 36 days

Ramesh and Suresh start cleaning a pool together. They do it in 26 days but for the last 6 days only Ramesh was working.  When Suresh works alone, in how much time will he completely clean the pool, if Ramesh and Suresh together can clean the pool in 24 days? Read More »

How old will be the Raju if ratio of his age and one of his twin grandsons’ is 11:2 and average age of his and his both grandsons is 50 years?

How old will be the Raju if ratio of his age and one of his twin grandsons’ is 11:2 and average age of his and his both grandsons is 50 years?

Question How old will be the Raju if ratio of his age and one of his twin grandsons’ is 11:2 and average age of his and his both grandsons is 50 years? Type multiple_choice Option 72 years incorrect Option 110 years correct Option 75 years incorrect Option 150 years incorrect Solution

How old will be the Raju if ratio of his age and one of his twin grandsons’ is 11:2 and average age of his and his both grandsons is 50 years? Read More »

A river flows at speed of 6 km/hr. Surendra swims downstream for some distance in just 12 hours. But he takes 18 hours to return the same distance upstream.

A river flows at speed of 6 km/hr. Surendra swims downstream for some distance in just 12 hours. But he takes 18 hours to return the same distance upstream. How fast is Surendra in still water?

Question A river flows at speed of 6 km/hr. Surendra swims downstream for some distance in just 12 hours. But he takes 18 hours to return the same distance upstream. How fast is Surendra in still water? Type multiple_choice Option 30 km/hr correct Option 24 km/hr incorrect Option 12 km/hr incorrect Option 36 km/hr incorrect

A river flows at speed of 6 km/hr. Surendra swims downstream for some distance in just 12 hours. But he takes 18 hours to return the same distance upstream. How fast is Surendra in still water? Read More »

With stoppage, the speed of a train is 36 km/hr. However without stoppage, it is 40 km/hr. Find out for how many minutes does the train stop per hour?

With stoppage, the speed of a train is 36 km/hr. However without stoppage, it is 40 km/hr. Find out for how many minutes does the train stop per hour?

Question With stoppage, the speed of a train is 36 km/hr. However without stoppage, it is 40 km/hr. Find out for how many minutes does the train stop per hour? Type multiple_choice Option 6 minutes correct Option 8 minutes incorrect Option 10 minutes incorrect Option 4 minutes incorrect Solution

With stoppage, the speed of a train is 36 km/hr. However without stoppage, it is 40 km/hr. Find out for how many minutes does the train stop per hour? Read More »

A train is 31m long. It passes a platform which is 175 m long. What is the distance covered by the train in passing the platform?

A train is 31m long. It passes a platform which is 175 m long. What is the distance covered by the train in passing the platform?

Question A train is 31m long. It passes a platform which is 175 m long. What is the distance covered by the train in passing the platform? Type multiple_choice Option 206 m correct Option 144 m incorrect Option 175/31 m incorrect Option Cannot be determined incorrect Solution

A train is 31m long. It passes a platform which is 175 m long. What is the distance covered by the train in passing the platform? Read More »

Pipe P can fill a tank in 38 hours. Pipe Q alone can fill it in 19 hours. Pipe R can empty the full tank in 133 hours. If all the pipes are opened together, how much time will be needed to make the tank full?

Pipe P can fill a tank in 38 hours. Pipe Q alone can fill it in 19 hours. Pipe R can empty the full tank in 133 hours. If all the pipes are opened together, how much time will be needed to make the tank full?

Question Pipe P can fill a tank in 38 hours. Pipe Q alone can fill it in 19 hours. Pipe R can empty the full tank in 133 hours. If all the pipes are opened together, how much time will be needed to make the tank full? Type multiple_choice Option 28 hours incorrect Option 95

Pipe P can fill a tank in 38 hours. Pipe Q alone can fill it in 19 hours. Pipe R can empty the full tank in 133 hours. If all the pipes are opened together, how much time will be needed to make the tank full? Read More »

A and B took a job for Rs. 7200. A alone can do it in 12 days. B alone can do it in 16 days. They completed the work in 6 days with the help of C. Find the share of C.

A and B took a job for Rs. 7200. A alone can do it in 12 days. B alone can do it in 16 days. They completed the work in 6 days with the help of C. Find the share of C.

Question A and B took a job for Rs. 7200. A alone can do it in 12 days. B alone can do it in 16 days. They completed the work in 6 days with the help of C. Find the share of C. Type multiple_choice Option Rs. 1200 incorrect Option Rs. 900 correct Option Rs.

A and B took a job for Rs. 7200. A alone can do it in 12 days. B alone can do it in 16 days. They completed the work in 6 days with the help of C. Find the share of C. Read More »

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