CAT 2008 Question Paper Question 18

Question 18

What is the number of distinct terms in the expansion of $$(a + b + c)^{20}$$?


The power is 20.

20 has to be divided among a, b and c. This can be done in $$^{20+3-1}C_{3-1}$$ = $$^{22}C_2$$ = 231

Option a) is the correct answer.

View Video Solution


Create a FREE account and get:

  • All Quant CAT Formulas and shortcuts PDF
  • 30+ CAT previous papers with solutions PDF
  • Top 500 CAT Solved Questions for Free


Boost your Prep!

Download App