A gardener was asked a plant flowers in a row containing equal number of plants. He tried to plant 6, 8, 10 and 12 in each row, but 5 plants left in each case. When he planted 13 in a row, no plant was left. Find the number of plants with him?

Related Mcqs:

1. A man can row 9 1/3 km/hr in still water and he finds that is thrice as much time to row u p than as to row down the same distance in river. The speed of the current is:________?

   A. 3 1/3 km/hr
   B. 3 1/9 km/hr
   C. 1 ¼ km/hr
   D. 4 2/3 km/hr

2. A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. How far is the place?

   A. 3.12 km
   B. 2.88 km
   C. 3 km
   D. 2 km

3. A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. What is the total distance traveled by the man?

   A. 6.24 km
   B. 6 km
   C. 5.76 km
   D. 5.66 km

4. The time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream. If the speed of the boat in still water is 42 kmph, find the speed of the stream?

   A. 12 kmph
   B. 13 kmph
   C. 14 kmph
   D. 15 kmph

5. The average age of seven persons sitting in a row facing east is 28 years. If the average age of the first three persons is 21 years and the average age of the last three persons is 34 years, then find the age of the person sitting in the middle of the row?

   A. 30 Years
   B. 31 years
   C. 26 years
   D. 33 years

6. A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is________?

   A. 2 : 1
   B. 3 : 1
   C. 3 : 2
   D. 4 : 3

7. A man can row a boat at 20 kmph in still water. If the speed of the stream is 6 kmph, what is the time taken to row a distance of 60 km downstream?

   A. 20/6 hours
   B. 27/2 hours
   C. 30 hours
   D. 30/13 hours

8. A man can row 30 km downstream and 20 km upstream in 4 hours. He can row 45 km downstream and 40 km upstream in 7 hours. Find the speed of man in still water?

   A. 15 kmph
   B. 10 kmph
   C. 12 kmph
   D. 12.5 kmph
   E. None of these

9. A person can row at 9 kmph and still water. He takes 4 1/2 hours to row from A to B and back. What is the distance between A and B if the speed of the stream is 1 kmph?

   A. 32 km
   B. 25 km
   C. 28 km
   D. 24 km
   E. None of these

10. A man rows at a speed of 6 km/hr in still water. If the time taken to row a certain distance upstream is 4 times the time taken to row the same distance downstream, what is the speed of the river?

    A. 1.8 km/hr
    B. 3 km/hr
    C. 3.6 km/hr
    D. 4 km/hr