TCS
Company
Numerical Ability
Permutation and Combination
A 3*3 grid is coloured using red and blue colours,such that if we rotate the grid about its centre plane by 180 degrees,the grid looks the same.The number of ways to colour the grid this way is:
a)256 b)64 c)16 d)32
Read Solution (Total 5)
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- OPTION D.....ITS 2*2*2*2*2=32
- 10 years agoHelpfull: Yes(14) No(1)
- 2*2*2*2=32,because if opposite faces are painted by either blue or red and rotated by 180 degrees each is rotated by 2 faces so 2*2*2*2=32(since centre face remains constant and remaining 8 are rotated)
- 10 years agoHelpfull: Yes(3) No(1)
- making mirror image
2*2*2*2*2*2*2=64 - 10 years agoHelpfull: Yes(0) No(1)
- 2^5=32.option (D) is answer.
- 10 years agoHelpfull: Yes(0) No(0)
- 2*2*2*2*2*1*1*1*1=32
- 10 years agoHelpfull: Yes(0) No(0)
TCS Other Question
A,B,C,D,E each choose a large different numbers,A says my nuber is not largest number and not smallest number,B says my nuber is not largest number and not smallest number,C says my number is largest number,D says my number is smallest number,E says my number is nit smallest number,excatly one of each five children is lying.the others are telling truth,who has the largest number?
Use the given outline to write an email to your Manager, William requesting for a meeting to seek clarifications on your tasks in the project. Sign the email as Margaret.
Outline :
Meeting-Tuesday morning-seek clarification-financial advice project-task-status-person left-abruptly-no handover-your availability-by tomorrow-top priority