Choose the correct alternative for the given relation.
$42 : 20 : \,: 64 : ?$
$31$
$32$
$33$
$34$
Choose the correct alternative for the given relation.
Line : Square : : Arc : ?
Choose the correct alternative for the word belongs to the same group.
Which of the following is the same as Steel, Bronze, Brass ?
Waves are related to air in the same way ripples are related to........
Choose the correct alternative for the word belongs to the same group.
Root : Stem : Branch
Doctor : Nurse : : ? : Follower