# CBSE Class 10 Mathematics Real Numbers Worksheet Set J

Read and download free pdf of CBSE Class 10 Mathematics Real Numbers Worksheet Set J. Students and teachers of Class 10 Real Numbers can get free printable Worksheets for Class 10 Real Numbers in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 10 students should practice questions and answers given here for Real Numbers in Grade 10 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 10 Real Numbers Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests

## Real Numbers Worksheet for Class 10

Class 10 Real Numbers students should refer to the following printable worksheet in Pdf in standard 10. This test paper with questions and answers for Grade 10 Real Numbers will be very useful for exams and help you to score good marks

### Class 10 Real Numbers Worksheet Pdf

CBSE Class 10 Maths Real Numbers (9). Students can download these worksheets and practice them. This will help them to get better marks in examinations. Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.

REAL NUMBERS

SECTION A: (1 MARK)

1.

If

4000

241

= m n 2 5

241

, find the values of m and n where m and n are non-negative

integers. Hence write its decimal expansion without actual division. (CBSE 2012)

m=5, n=3

0.06025

2.

Express the number 0.3178 in the form of a rational number a/b. (CBSE 2013)

635/1998

3.

Can two numbers have 14 as their HCF and 325 as their LCM? Give reason.

(NCERT Exemplar)

No

SECTION B: (2 MARKS)

4.

“The product of three consecutive positive integers is divisible by 6”. Is this

Yes

5.

Find the least number that is divisible by all the numbers from 1 to 10.

2520

6.

If the HCF of 65 and 117 is expressible in the form 65m – 117. Find the value of m.

2

7.

What is the greatest possible speed at which a man can walk 52 km and 91 km in an

exact number of minutes?

13m/min

8.

Find the smallest natural number by which 1200 should be multiplied so that the

square root of the product is a rational number. (CBSE 2015)

3

SECTION C: (3 MARKS)

8.

On Darsait signal, three consecutive traffic lights change after 36, 42 and 72 seconds.

If the lights are first switched on at 9.00 am, at what time will they change

simultaneously? (NCERT Exemplar)

9:08:24

9.

Using Euclid’s division algorithm, find whether the pair of numbers are co primes or

not. (CBSE 2014)

Coprimes

10.

Prove that p + q is irrational, where p and q are primes.

11.

If n is any prime number and a2 is divisible by n, then n will also divide a. Justify.

SECTION D: (4 MARKS)

12.

For any positive integer n, prove that n3 - n is divisible by 6. (NCERT Exemplar)

13.

Is the square of every non-square number always irrational? Find the smallest

natural number which divides 2205 to make its square root a rational number.

(CBSE 2015)

Yes, 5

14.

The floor of Manu’s drawing room is 306 inches long and 136 inches wide. He wishes

to tile the floor with identical square tiles. Find the minimum number of tiles that he

can use.

36

15.

What is the sum of the digits of the smallest number, which leaves remainder 2 upon

being divided by 10, 15 and 25?

8

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Click for more Real Numbers Study Material
 CBSE Class 10 Mathematics Real Numbers Worksheet Set E CBSE Class 10 Mathematics Real Numbers Worksheet Set F CBSE Class 10 Mathematics Real Numbers Worksheet Set G CBSE Class 10 Mathematics Real Numbers Worksheet Set K CBSE Class 10 Mathematics Real Numbers Worksheet Set H CBSE Class 10 Mathematics Real Numbers Worksheet Set I CBSE Class 10 Mathematics Real Numbers Worksheet Set C CBSE Class 10 Mathematics Real Numbers Worksheet Set J CBSE Class 10 Mathematics Real Numbers Worksheet Set A CBSE Class 10 Mathematics Real Numbers Worksheet Set B CBSE Class 10 Mathematics Real Numbers Worksheet Set D

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