TCS Company Logical Reasoning Direction Sense

Mr and Mrs smith had invited 9 of their friend and their spouses for party at wiki beachresort.the stand for group photograph if mr smith never stand next to mrs smith then how many way group arrange in row.

Options
1)20!
2)19!+18!
3)1819!
4)219!

Read Solution (Total 2)

9 friend with their spouse = 18 member + Mr and Mrs smith = 20 members so 20 members arrange in a row 20!
Mr and miss stand together in 19!*2
So no way mr and Mrs smith can't stand together
= 20! - (19!*2)
=19!(20-2)
=18*19!
9 years agoHelpfull: Yes(6) No(0)

answer is option 3)
9 years agoHelpfull: Yes(0) No(1)

TCS Other Question

Ajith sells a table to Ajay at 10% profit and Ajay sells it to Anoob at 10% loss. At what price did Ajith purchase the table if Anoob paid Rs.2178?

Options
1) Rs.2100
2) Rs.2150
3) Rs.2200
4) Rs.2250 Leena cuts small cubes of 3 cubic cm each. She joined it to make a cuboids of length 10 cm,width 3cm, and depth 3 cm.How many more cubes does she need to make a perfect cube?

Options
1) 910
2) 250
3)750
4)650