Question
Easy
The smallest four-digit number which is a multiple of 6, 7 and 4 is :
1
1006
2
1008
3
1000
4
1002
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P1
Chapter: Number Operations
Topic: LCM & HCF
Correct Answer
Option B
Explanation
To determine the smallest four-digit number that is a multiple of 6, 7, and 4, we need to find the least common multiple (LCM) of these numbers and ensure that it is a four-digit number. 1. Finding the LCM of 6, 7, and 4: - The prime factorization of 6 is \(2 \times 3\). - The prime factorization of 7 is \(7\). - The prime factorization of 4 is \(2^2\).…Read More
Similar Questions from REET Exam - Paper 1 - Year 2018
Question 1
Easy
Source :
Number Operations
Let x be the least number which when divided by 8, 12, 20, 28, 35 leaves a remainder 5 in each case. What is the…
Chapter :
Number Operations
Topic :
LCM & HCF
Question 2
Easy
Source :
Number Operations
\begin{aligned} \text{If } x &= 2^3 \times 3^2 \times 5^3 \times 7^3 \\ y &= 2^2 \times 3^3 \times 5^4 \times 7^3 \text{, and }…
Chapter :
Number Operations
Topic :
LCM & HCF
Question 3
Easy
Source :
Number Operations
A frog jumps 3 steps and a rabbit jumps 7 steps at a time starting from a place O. At which of the following steps,…
Chapter :
Number Operations
Topic :
LCM & HCF
Question 4
Easy
Source :
Number Operations
How many natural numbers between 1 and 500 are divisible by each of the numbers 3, 5 and 7?
Chapter :
Number Operations
Topic :
LCM & HCF