test of clacc 6th unit # 3+ 5

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PAK LAND MODEL HIGH SCHOOL RAHWALI CANTT Class : 6 th Marks : 45 Grand test of review ex. 3 + 5 Student’s name : _______________________ Q#1. Fill in the Blanks. (1×6=6) I. _______ is the only even prime number. II. The process of writing a number into its factors is called __________. III. In short the simplification rule is called the __________. IV. “( )” is called a round bracket or _________________. V. The numbers having no common factor other than “1” and itself are called ___________________ numbers. VI. Addition, subtraction, multiplication and division are the four ___________ of mathematics. Q # 2. Circle the right answer. (1×4=4) I. After simplifying : { 1 + ( 2 + 4 ) ÷ 2 × 1 – 3 } , we get a)-1 c) 1 b)2 d) 3 II. [ ] is called : a)Vinculum c) Perenthesis b)Braces d) Box bracket

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Transcript of test of clacc 6th unit # 3+ 5

Page 1: test of clacc 6th unit # 3+ 5

PAK LAND MODEL HIGH SCHOOL RAHWALI CANTT

Class : 6th Marks : 45

Grand test of review ex. 3 + 5

Student’s name : _______________________

Q#1. Fill in the Blanks. (1×6=6)

I. _______ is the only even prime number.II. The process of writing a number into its factors is called __________.

III. In short the simplification rule is called the __________.IV. “( )” is called a round bracket or _________________.V. The numbers having no common factor other than “1” and itself are called

___________________ numbers. VI. Addition, subtraction, multiplication and division are the four ___________

of mathematics.

Q # 2. Circle the right answer. (1×4=4)I. After simplifying : { 1 + ( 2 + 4 ) ÷ 2 × 1 – 3 } , we get

a) -1 c) 1b) 2 d) 3

II. [ ] is called :a) Vinculum c) Perenthesisb) Braces d) Box bracket

III. Every number greater than 1 has at least factors :a) One c) Twob) Three d) Four

IV. If the LCM of two numbers 4 and 9 is 36, then its HCF will be:a) 1 c) 2b) 9 d) 12

Page 2: test of clacc 6th unit # 3+ 5

PAK LAND MODEL HIGH SCHOOL RAHWALI CANTT

Q #3. Answer the following questions. ( any five ) (2×5=10)i. What is meant by factorization?

ii. What is BODMAS rule?iii. Define integers.iv. Which operation is known as the inverse process of addition?v. What are numerals?

vi. What is meant by the commutative law of addition?vii. What is meant by the word distinct in a set?

Q #4. Attempt any five questions. (2×5=10)i. Write the prime factors of 39204 using index notation.

ii. Use division method to find the HCF of 1505, 2982iii. What was the total rainfall in a week when it rained 1 ½ cm on Tuesday, 2/5

cm on Friday, 3/10 cm on Sunday, the rest of week was dry?iv. [ 2.95 + { 3.02 × ( 6.125 ÷ 5.196 – 2.746 )}]v. Use prime factor method to find LCM of 75 , 120

vi. Write all even, odd, prime and composite numbers less than 20.

Q #5. Attempt any three questions. (3×5=15)i. The HCF of two numbers 2952 and 2256 is 24. Find their LCM.

ii. The HCF and LCM of two numbers are 23 and 345. If one number is 115, then find the other.

iii. Using long division method find the LCM of 52, 56, 112, 156iv. Simplify :