Fourteen machines can produce 500 units in 12 hours. After four hours poduction, two more machines were started. How many hours will it take to complete the production of 500 units ?

D. 7
Posted in:  Time & Work -  Aptitude -  Mathematics

6 : 18 : : 4 : ?

C. 8
Posted in:  Number Analogy -  Analogy -  Verbal Reasoning

Six persons A, B, C, D, E and F are sitting in two rows, three in each.
E is not at the end of any row.
D is second to the left of F.
C, the neighbour of E, is sitting diagonally opposite D.
B is the neighbour of F. Which of the following are sitting diagonally opposite to each other ?

D. A AND F
Posted in:  Seating / Placing Arrangements -  Puzzle Test -  Verbal Reasoning

Rahul`s mother is the only daughter of Monika`s father. How is Monika`s husband related to Rahul ?

B. FATHER
Posted in:  Relation Puzzle -  Blood Relations -  Verbal Reasoning

If × means ÷, - means ×, ÷ means + and + means-, than (3 - 15 ÷ 19) × 8 + 6 = ?

C. 2
Posted in:  Problem-Solving By Substitution -  Mathematical Operations -  Verbal Reasoning