21. If the fractions 2/5, 3/8, 4/9, 5/13 and 6/11 are arranged in ascending order of their values, which one will be the fourth? |
||||||||
View Answer Discuss in Forum
|
22. What least fraction should be added to |
||||||||
View Answer Discuss in Forum
|
23. How much part of a day is 45 minutes? |
||||||||
View Answer Discuss in Forum
|
24. If a = x/(x - 1) and b = 1/(x - 1), then |
||||||||
View Answer Discuss in Forum
|
25. If x and y are whole numbers which gives xy = 196. Find the value of (x - 1)y - 1. |
||||||||
View Answer Discuss in Forum
|
26. If x/2 = y/4 = z/6, then find the value of (x + y + z)/z |
||||||||
View Answer Discuss in Forum
|
27. If x = 3 - t and y = 4t + 13, then for what value of t are x and y equal? |
||||||||
View Answer Discuss in Forum
|
28. If (4x + y)/(x + 4y) = 2/3, then find the value of (x + 4y)/(4x + y). |
||||||||
View Answer Discuss in Forum
|
29. Find [(176 + 124)2 - (176 - 124)2]/176 × 124 |
||||||||
View Answer Discuss in Forum
|
30. If x + y + z = 6 and x2 + y2 + z2 = 14, then find the value of xy + yz + zx. |
||||||||
View Answer Discuss in Forum
|
Related Topics
Those are all planning for any competitive examinations can use this segment to enhance their abilities.