IBM Company Numerical Ability Alligation or Mixture

A chemist has 6 liters of a 25% alcohol solution. How much alcohol must he add so that the resulting solution contains 50% alcohol?

Read Solution (Total 2)

IBM Other Question

A recipe for four-egg cake is supposed to be baked in three 9-inch- diameter round cake pans. You have just three 10-inch-diameter cake pans Which of these is the better buy: a 6-ounce can of tuna that sells for $1.59, or a package of three 3-ounce cans for $2.19?