ubject: Mathematics Grade: 5
Date: 27.03.2021 Maximum Marks: 50
I. Choose the correct answer:- 10 X 1 = 10
1.The prime factorization of 36 is _______________
a. 2x3x2x3 b. 2x2x3x3 c. 3x3x2x2 d. All of these
2. If a number is divisible by 16, it is also divisible by ____________
a. 2 b. 4 c. 8 d. All of these
3. Two numbers that have only 1 as a common factor are called
__________numbers.
a. prime b. coprime c. composite d. none of these
4. Numbers that have only two factors is called ___________ numbers
a. coprime b. prime c. composite d. none of these
5. The product of the HCF and LCM of two numbers is 48. If one of the
numbers is 6, the other number is ______________
a. 8 b. 4 c. 6 d. 12
6. Which pair of fractions are equivalent?
a. 2/5 and 1/5 b.10/3 and 3/10 c. 3/7 and 6/14 d. ½ and 2
7.1 / 2 = ___/6
a. 4 b. 3 c. 5 d. 6
8. There are _______________ quarters in 4
a. 10 b. 15 c. 16 d. 12
9. The multiplicative inverse of 1 is ____________
a. less than 1 b. greater than 1 c. equal to 1 d. cannot be found
Answers
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Answer:
1.We can write 36 as a product of prime factors: 36 = 2² × 3². The expression 2² × 3² is said to be the prime factorization of 36.
Step-by-step explanation:
i hope this answer is right
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