Reasoning Class 5 Possible Combinations

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

Monu has three digits: 7, 5 and 2. How many three-digit numbers can she make without repeating a digit?

Answer as guest — Start Free Practice Test to earn Practice PointsHow to earn pointsAsk a question+3Answer a question+1Someone answers yours+1Your Q gets upvoted+1Pioneer bonus (first 5)+5, ask questions & climb the leaderboard!

Show answer and explanation

Answer: B. 6

B. 6
With three numbers (7, 5, 2) and no repetition:
There are 3 options for the first digit, 2 for the second, and 1 for the third.
Calculation: 3 × 2 × 1 = 6 possible numbers.
The numbers are 752, 725, 572, 527, 275, and 257.

Answering after opening this box earns no Practice Points.

1 answered 100% got it right

Rules for asking and answering

Monu has three digits: 7, 5 and 2. How many three-digit numbers can she make without repeating a digit?

More questions like this