Download the app

Questions  

A box contains two white, three black and four red balls. The number of ways in which we can select three balls from the box, if at least one black ball is to be included in the selection, is

Unlock the full solution & master the concept.

Get a detailed solution and exclusive access to our masterclass to ensure you never miss a concept
By Expert Faculty of Sri Chaitanya
a
26
b
25
c
2726
d
none of these
NEW

Ready to Test Your Skills?

Check Your Performance Today with our Free Mock Tests used by Toppers!

detailed solution

Correct option is C

 Number of ways =3C1×6C2+3C2×6C1+3C3×6C0

=64=26


ctaimg

Get your all doubts cleared from
Sri Chaitanya experts

counselling
india
+91

phone iconwhats app icon