CMAT 2025 Linear Arrangements Question (Hard)

Question

How many such pairs of digits are there in the number 8314629, each of which has as many digits between them in the number as after arranging the digits in descending order?

Optima Learn · Accepted Answer

What the question asks. Take the number 8314629, write its digits again in descending order, and count how many pairs of digits keep exactly the same number of digits between them in both arrangements. Step 1. Fix the two arrangements before counting anything. The number as given reads 8, 3, 1, 4, 6

CMAT 2025 Linear Arrangements — Previous Year Question

CMAT 2025

LR

Linear Arrangements

Hard

Stand Out in Your CAT Interview Round!

FEATURES

PRACTICE

FREE RESOURCES

MENTORSHIP