Question

If the number of five-digit numbers with distinct digits and 2 at the 10^th place is 336 k, then k is equal to ______.

Options

• 6

• 7

• 8

• 9

Answer 1

If the number of five-digit numbers with distinct digits and 2 at the 10^th place is 336 k, then k is equal to 8.

Explanation:

Number of five-digit numbers with 2 at 10^th place = 8 × 8 × 7 × 6 = 2688

∵ It is given that, number of five-digit number with 2 at 10^th place = 336 k

∴ 336 k = 2688

⇒ k = 8