Ahmar works twice as fast as Bina. If Bina can complete a work in 30 days the number of days taken by Ahmar and Bina to complete the work working together is

  1. Home

Question:
Ahmar works twice as fast as Bina. If Bina can complete a work in 30 days the number of days taken by Ahmar and Bina to complete the work working together is

1.16 days

2.24 days

3.20 days

4.10 days

Posted Date:-2021-09-19 19:52:35

More MCQS Questions and answers

  1. (a10-c2)2 - (a10+c2)2 =
  2. (x+4)(x-5) = 10 then x is?
  3. (x4+y)2+(x4-y)2=
  4. 21d2 - 7d + 8 - 4d (2d-3) =
  5. 7x2-4x+4-9x(2x-3)
  6. Ahmar works twice as fast as Bina. If Bina can complete a work in 30 days the number of days taken by Ahmar and Bina to complete the work working together is
  7. Alia can complete an assignment in 5 days and Babar can complete the same assignment is 20 days. The time taken by both Alia and Babar to complete the assignment working together is
  8. An inlet pipe can fill a tank in 10 hrs and an outlet pipe empties the same full tank in 20 hrs. The time required to fill the tank when both pipes are opened.
  9. Asghar can do a job in 60 days. And both Asghar and Babar can do the same job in 20 days working together. Babar alonge can do the some job in
  10. If -7<a<y<="" td=""></a
  11. If 0 < a < b < 1 which of the following is (are) true I- a-b is negative II- 1/ab is positive III- 1/b-1/a is positive
  12. If 1 ? -m then (12-m2)/(1+m) = 23 then 1-m =
  13. If 1 = m + mt2 then t =
  14. If 2x+y=10 and x+y=7 then y = ?
  15. If 2y-5x=5 what is the smallest integral value of x for which y>100?
  16. If 3212=4a-3 what is the value of a?
  17. If 3x+y=10 and x+y=6 then x = ?
  18. If 6x = 2y = 3z then 9x + 5y =
  19. If a ? -b (a2-b2)/(a-b) = 40 then a+b =
  20. If a = 2b 3b=4c and 5c=6a-7 what is the value of c?
  21. If A can do a job in 10 days another person B can do the same job in 20 days then time required to do the job when both of them working todether.
  22. If A can do a piece of work in 10 days then part of work done by him in one day.
  23. If a-8 = 10 - 2a then a = ?
  24. If a<b<c<="" td=""></b<c
  25. If an inlet pipe fills a tank in 10 hrs and another inlet pipe fills the same tank in 5 hrs then time required to fill the tank when both pipes are opened.
  26. If an inlet pipe fills a tank in 10 hrs then part of tank filled in 1 hr.
  27. If an outlet pipe empties a full tank in 20 hrs then part of tank emptied in one hour.
  28. If As 1 days work = 1/20 then time required to finish the job (in days)
  29. If L#N then (LM-LN)/(N-M)=
  30. If m > 1 and mn + 3 = 3-n then n =
  31. If n = 4 and m = 7 then 1/n + 1/nm
  32. If p-11 -2p=13-5p then p=?
  33. If part of tank filled in one hour = 1/10 then time required to fill the tank.
  34. If r ? -s and a = (r-s) / (r+s) +1 then a + 1=
  35. If x > 1 and a / b = 1 - 1 / x then b/a =
  36. If x = 2 and y = 3 then (1 / x + 1 / y) / (xy) =
  37. If x and y are negative and z is positive which of the following is (are) true I- x-y<="" y="" iii-="" 1="" z<="" td="">
  38. If x is an even integer and 4x < 64 and 3x > 24 then x can be equal to
  39. If x/2+x/3=1/2+1/3 then x = ?
  40. If x>y>z which of the following cannot be true.
  41. If x<="" td="">
  42. If x2 -16<0 which of the following must be true.
  43. If x2+3x+2 = 0 then which of the following are possible values of x? I- 1 II- (-1) III- (-2)
  44. If y2-25<0 which of the following cannot be true.
  45. In the above question what is the minimum integral value of y+x.
  46. p<q<="" td=""></q
  47. The binomial x2-30 is exactly divisible by
  48. Which of the following is equivalent to : 3x2 + 18x + 27
  49. Which of the following is equivalent to 9x2-6x-3
  50. X can do a job in 16 days Y can do the same job in 20 days X Y and Z can do the job in 7.5 days. Alone Z can do the same job in
Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!