The membership of two committees , football committee and cricket committee , must be drawn exclusively form a group of seven people . Farid, Gaffar , Helal , Iftekhar , Jalil , Kalam and Lalit. * Each of the seven people must serve on a committee. * No one can serve on both committees. * Farid cannot be on a committee with Gaffar or with Jalil. * Helal cannot serve on a committee with Iftekhar. If Helal serves on football committee, which of the following must be true?

If exactly two people serve on football committee, which pair of the following cannot be on that committee ?

If Lalit does not serve with Kalam or Iftekhar, which of the following cannot be true?

Ten fabrics of different colors are displayed on ten racks in a cloth store. The racks are placed one after an...

If the four red fabrics are on four consecutive racks , the green fabric and one of the brown fabrics could be...

which of the following are colors of fabrics that CANNOT be on racks two , three and four respectively ?

If a purple fabric is on rack three and a brown fabric is on rack four , the green fabric must be on which of...