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Class: X Subject: Mathematics Name:

Paper Name: MATHEMATICS

RT-2 Paper Duration: 40 Mins. Roll No:

Maximum Marks: 20 Total Questions: 11 Marks Obtained:

Section - A

Q1. Which of the following numbers is a composite number? (Marks : 1)

(a) (b)

(c) (d)

Q2. The relationship between LCM, HCM and the product of two numbers x and y is: (Marks : 1)

(a) (b)

(c) (d)

Q3.

Let p be a prime number. If p divides , then: (Marks : 1)

(a) P divides a (b)

P divides

(c)

P divides

(d)

Q4. Which of the following numbers is not rational? (Marks : 1)

(a) Terminating decimal (b) Recurring decimal

(c) Whole number (d) Non-terminating and non-recurring decimal

Q5.

The decimal expansion of is:

(Marks : 1)

(a) (b)

(c) (d)

Section - B

Q6. Check whether 6n

can end with the digit 0 for any natural number. (Marks : 2)

Q7. Given LCM (306, x) = 22338 and HCF (306, x) = 9. Find x. (Marks : 2)

Q8.

Show that is irrational. (Marks : 2)

Q9. Find the largest positive integer that will divide 430 and 398 leaving remainder 5 and 8

respectively. (Marks : 3)

Q10. Prove that is irrational. (Marks : 3)

Q11. Find without the actual division whether each of the rational numbers is a terminating or

a non-terminating repeating decimal. Write the decimal form of those which have

terminating decimal expansion. (a) (b) (c)

(Marks : 3)​

Answer 1

Answer:

gyguugg77y7ygggggggggkkctu