RT on Lecture 5 to Lecture 8

Train Madhumati starts from station ‘A’ at 4 am and reaches station ‘B’ at 11 am. Train Tista starts from station ‘B’ at 5.30 am and reaches station ‘A’ at 10 am. When the two trains cross each other?

• 7:28

• 7:30

• 7:33

• 7:45

• None of these

A train leaves Saqib's house and travels at 50 miles per hour. Two hours later, another train leaves from Saqib's house on the track parallel to the first train but it travels at 100 miles per hour. How far away from Saqib's house will the faster train pass the other train?

• 100 miles

• 150 miles

• 200 miles

• 300 miles

• 500 miles

A boatman goes 2 km against the current in 1 hour and goes 1 km with the current in 10 minutes. How long will it take to go 5 km in still water?

• 45 minute

• 1 hour

• 1 hr 15 minute

• 1 hr 30 minute

• None of these

A faster train with a speed of 108 km/h crosses a slower train with a speed of 72 km/h in 15 seconds from the opposite direction. What is the length of the faster train in meters?

• 150 m

• 350 m

• 400 m

• 750 m

• Cannot be determined

Johny walks a distance of 10 miles at an average rate of 2 miles per hour, and returns on a bicycle at an average rate of 5 miles per hour. How long does the entire trip take him?

• 3 hours

• 4 hours

• 5 hours

• 6 hours

• 7 hours

Pipe X can fill a tank in 18 hours, pipe Y can empty the same tank in 12 hours and pipe Z can fill it in 6 hours. The tank is already filled 1/6th of its capacity. Now pipe X is opened for 1st one hour alone, pipe Y is opened for 2nd one hour alone and pipe Z is opened for 3rd one hour alone. This cycle is repeated until the tank is full. Then in how many hours does the rest of the tank get filled?

• 16

• 17

• 18

• 19

• 20

Working independently, Machine X can fill an order in 15 hours. Working independently, Machine Y can fill the same order in 10 hours. If Machine X works independently for 12 hours to fill an order and then Machine Y works independently to complete the order, how many hours does it take Machine Y to complete the order?

• 1/5

• 3/4

• 4/5

• 1

• 2

150 individuals attended a marathon held in Sylhet, of those only y participated in the marathon. If x of the 150 individuals were from Sylhet and z of the individuals participated in the marathon but wrer not from Sylhet. Which of the following represents the number of individuals who did not participate in the marathon and were not from Sylhet?

• 150-x+2y

• 150-x-y+z

• 150-x+z

• 150-x-z

• None of these

A box contains 12 poles and 7 pieces of net. Each piece of net weighs 0.2 pounds; each pole weighs 1.1 pounds. The box and its contents together weigh 16.25 pounds. How much does the empty box weigh in pound?

• 1.2

• 1.65

• 2.75

• 6.15

• 16

A grocer mixes peanuts that cost $2.50 per pound and walnuts that cost $3.90 per pound to make 100 pounds of a mixture that costs $3.20 per pound. How many pounds of $2.50 per pound nut is put into the mixture?

• 30

• 40

• 45

• 50

• 60