$HCF$ of two co$-$prime numbers is
- A$0$
- ✓$1$
- Cthe greater of two
- Dthe smaller of two
Answer: B.
View full solution →Question types
CH - 5. Factors and Multiples question types
95 questions across 6 question groups — pick any mix to generate a MATHS paper with step-by-step answer keys.
95
Questions
6
Question groups
5
Question types
01
MCQ [ 1 M]
2 Q→02Fill in the blanks :
5 Q→03Answer the following (1 mark each)
21 Q→04Answer the following (2 mark each) :
64 Q→05Answer the following (4 mark each) :
2 Q→06Answer the following (3 mark each)
1 Q→Sample Questions
CH - 5. Factors and Multiples questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
$LCM$ of two co$-$prime numbers is their
- ✓product
- B$LCM$
- Ccommon factor/factors
- Dsum
Answer: A.
View full solution →$.........$ times any number is $......... (1,0)$
View full solution →$.........$ is the smallest factor of every non$-$zero number.$(1,0)$
View full solution →$.........$ is a factor of every number.$(1,0)$
View full solution →Division by $.........$ is not defined.$(1,0)$
View full solution →Factors of $2$ are $.........$ and $2.(1,0)$
View full solution →Traffic lights at three different road crossings change every $1$ minute, $1$ minute $20$ seconds, and $2$ minutes respectively. If they change simultaneously at $12$ noon, at what time will they change together again?
View full solution →Three bells ring at intervals of $10, 15,$ and $20$ minutes respectively. If they ring at $11\ a.m.$ together, then at what time will they ring together next?
View full solution →In a school, the $1st$ bell rings every $30$ minutes for the primary section, the second bell rings every $40$ minutes for the middle section and the third bell rings every $45$ minutes for the senior section. If the school starts at $9\ am$ with a bell for all these sections, then when will the three bells ring together again after $9\ am$?
View full solution →Take two pairs of consecutive counting numbers and find their $\text{HCF}$. Is the $\text{HCF}$ the same noth times?
View full solution →What are the greatest $1$-digit, $2$-digit, $3$-digit, … composite numbers?
View full solution →What is the greatest number that can divide $664$ and $170$ with remainders $1$ and $2$ respectively? [Hint: Find the $\text{HCF}$ of $(6641)$ and $(170-2).)$
View full solution →Find the smallest number which when divided by $143$ and $275$, leaves a reminder $7.$
View full solution →Two strings of length $285 \ cm$ and $345 \ cm$ are to be cut into small pieces of equal lengths. What will be the maximum length of each piece?
View full solution →Find the greatest number that divides $120$ and $144$ without leaving a remainder.
View full solution →The product of two numbers is $1600$ and their $\text{LCM}$ is $160$. Find their $\text{HCF.}$
View full solution →
$1.$ Find all the numbers that have $9$ at the units place and then write all of the factors of those numbers.
$2.$ Find the prime factors of all the numbers that have $8$ at the units place.
$3.$ Locate and write $3$ pairs of co-prime numbers.
$4.$ Locate and write $3$ pairs of twin prime numbers.
$1.$ Which number is neither prime nor composite$?$
$2.$ Which number is even as well as a prime$?$
$3.$ Locate and write the smallest composite number.
$4.$ Is there any number that is even but not composite$?$ If yes, circle it.
$1.$ List all the prime numbers. How many are these$?$
$2.$ Write in your notebook all the factors of the numbers present in the shapes between $45$ and $49.$
$3.$ Write in your notebook the first three multiples of the numbers present in the shapes between $1$ and $5.$
Generate a CH - 5. Factors and Multiples paper free
Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.