Three-digit numbers greater than 400 are formed from… | StemPy Lab

Help Contact For teachers and institutes

Mock Tests Classes

StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

Physics
Chemistry
Mathematics
Biology
Python Programming
Statistics & Data Science
Classes
Groups

Practice

Problems
Quizzes
Mock Tests
Prepare for an Exam
Question Sets
Exams
Certificates
Python Labs
AI Practice Generator
Student-Created Tests

Community

Discussions
Resources
Notes
Blog

Account

Dashboard
My Content
Profile
Log in

© 2026 senLearn. All rights reserved.Help About Contact Privacy Policy Terms of Use Refund Policy

Three-digit numbers greater than 400 are formed from… | StemPy Lab

Quizzes
Three-digit numbers greater than 400 are formed from the digits 1, 3, 5, 7 and 9, with no digit repeated. How many are there?

MathematicsMediumHigh School (11–12)Algebra › Permutations and Combinations A-Level Board Exam IB

Created by StemPy Lab

Three-digit numbers greater than $400$ are formed from the digits $1$ , $3$ , $5$ , $7$ and $9$ , with no digit repeated. How many are there?

← All Quizzes

← Hari has 5 roads from home to the station, and 2 trains from the station to the city. He goes and comes back, using a different road and a different train on the way back. In how many ways can he make the round trip?Lata tests four claims about factorials on many values of n. Which claim never fails? →

More onAlgebra › Permutations and Combinations

Discussion (0)

Log in to join the discussion.

Loading…

More questions on this topic

Each statement below is about points or whole numbers chosen in any way at all, and claims that a…Advanced
The figure shows a regular polygon with 12 vertices, all on one circle. Any three of the vertices…Advanced
Four married couples, eight people in all, sit at a round table with eight equal chairs. Two…Advanced
Of 14 points in a plane, exactly 5 are collinear, and no other three are. How many different…Hard
A committee of 4 is chosen from 5 teachers and 6 students. How many committees include at least…Hard

All questions on this topic →

Problems on this topic

In a round-robin tournament every two teams play each other exactly once, and every match has a…Advanced
A 7 × 7 board has its rows numbered 0 to 6 from the top and its columns numbered 0 to 6 from the…Advanced
A small town has a rectangular grid of streets, shown in the figure…Hard
How many 4-letter words, with or without meaning, can be made from the letters of EDUCATION, if…Medium

All problems on this topic →