Question
Nine boys have to stand in a circle. In how many ways
they are to be stand on the circumference of circle?Solution
Any boy may be stand on any place so there is no difference in clockwise and anticlockwise direction here.  Requirement permutations = 1/2 × (n - 1)!  => 1/2 × (9 - 1)!  => 1/2 × 8!  => 20160
Each of the six people were watching a different movie. A finished before D. but after F. E finished before B, but after D. F finished after C, but befo...
In a certain code language, ‘GAME’ is coded as ‘8426’ and ‘MUST’ is coded as ‘7853’.
What is the code for ‘M’ in the given co...
Which of the answer figures is the exact mirror image of the given problem figure when the mirror is held at the right side?
Eight friends are sitting around a square table, four at the corners and four in the middle of the four sides, facing the centre. Isheen is an immediate...
Which figure will replace the question mark (?) in the following figure series?
Which of the following numbers will replace the question mark (?) in the given series?
549Â 482Â 439Â 372Â 329Â 262Â 219 ?
Statements:
Amit is a good fielder.
All fielders have big hands.
Conclusions:
I. All people with big hands are fielder...
Town C is to the south of Town A. Town D is to the west of town A. Town B is to the east of town D. Town E is to the south of town B and south-east of T...
One morning Kumar and Vikram were talking to each other face to face at a crossing. If Vikram’s shadow was exactly to the left of Kumar, in which dire...
Select the correct option that indicates the arrangement of the given course of actions in a logical and meaningful order.
1. Open email account<...
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