JEE PYQ

[JEE Main 2015] the number of integers greater than 6000 formed using 3 5 6 7 8

VAVidaara Admin Asked 2d ago 0 views 1 answer
#PYQJEE#JEE#JEE Main#2015#number-formation#Permutations and Combinations

The number of integers greater than $6000$ formed using $3,5,6,7,8$ without repetition is

(a) $120$
(b) $72$
(c) $216$
(d) $192$

1 Answer

VAVidaara Admin ✓ Vidaara Team ✓ Accepted · 2d ago ▲ 0

Correct answer: (d) $192$

Four-digit with first digit $\in\{6,7,8\}$: $3\cdot4\cdot3\cdot2=72$; all five-digit: $5!=120$. Total $192$.

JEE Main 2015 · Permutations and Combinations — verified solution by the Vidaara Team.

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