Sample QuestionsFactors and Multiples questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Mark $(\checkmark)$ against the correct answer in the following:Which of the following are co$-$primes?
- ✓
$91$ and $72$
- B
$34$ and $51$
- C
$21$ and $36$
- D
$15$ and $20$
Answer: A.
View full solution →Mark $(\checkmark)$ against the correct answer in the following: Which of the following is a prime number?
Answer: C.
View full solution →Mark $(\checkmark)$ against the correct answer in the following: The greatest number which divides $134$ and $167$ leaving $2$ as remainder in each case is:
Answer: D.
View full solution →Mark $(\checkmark)$ against the correct answer in the following: Which of the following is a composite number?
Answer: C.
View full solution →Mark $(\checkmark)$ against the correct answer in the following: Which of the following are co-primes?
- A
$39, 91$
- ✓
$161, 192$
- C
$385, 462$
- D
Answer: B.
View full solution →Write $(T)$ for true and $(F)$ for false against the following statements: If a number is divisible by $3$ and $7$, it must be divisible by $21.$
View full solution →Write down all the factors of: $20$
View full solution →Write $'T'$ for true and $'F'$ for false statement. The $HCF$ of two given numbers is always a factor is their $LCM.$
View full solution →Test the divisibility of the following numbers by $3:$
$872645$
View full solution →Test the divisibility of the following numbers by $10: 55555$
View full solution →In the following numbers, replace $*$ by the smallest number to make it divisible by $9:$
$835*86$
View full solution →Test the divisibility of the following numbers by $6:$
$251780$
View full solution →Test the divisibility of:
$12030624$ by $8$
View full solution →Find the $HCF$ of the numbers in the following using the prime factorization method: $504, 980$
View full solution →Give the prime factorization of the following number:
$1323$
View full solution →Show that the following pairs are co-primes:$385, 621$
View full solution →Test the divisibility of $5869473$ by $11.$
View full solution →Find the greatest number which divides $2011$ and $2623$, leaving remainders $9$ and $5$ respectively.
View full solution →In the following numbers, replace * by the smallest number to make it divisible by $11: 26*5$
View full solution →Determine the longest tape which can be used to measure exactly the lengths $7m, 3m, 85\ cm$ and $12m, 95\ cm.$
View full solution →Find the least $5-$digit number which is exactly divisible by $20, 25, 30.$
View full solution →Find the $HCF$ of the numbers in the following using the division method: $754, 1508, 1972$
View full solution →Find the greatest number of five digits exactly divisble by $9, 12, 15, 18$ and $24.$
View full solution →Find the greatest number that will divide $445, 572$ and $699,$ leaving remainders $4, 5, 6$ respectively.
View full solution →Three different containers contain $403L, 434L$ and $465L$ of milk respectively. Find the capacity of a container which can measure the milk of all containers in an exact number of times.
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