CBSE Class 10 Mathematics Real Numbers And Polynomials Worksheet

Read and download free pdf of CBSE Class 10 Mathematics Real Numbers And Polynomials Worksheet. Download printable Mathematics Class 10 Worksheets in pdf format, CBSE Class 10 Mathematics Chapter 1 Real Numbers Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Mathematics Class 10 Assignments and practice them daily to get better marks in tests and exams for Class 10. Free chapter wise worksheets with answers have been designed by Class 10 teachers as per latest examination pattern

Chapter 1 Real Numbers Mathematics Worksheet for Class 10

Class 10 Mathematics students should refer to the following printable worksheet in Pdf in Class 10. This test paper with questions and solutions for Class 10 Mathematics will be very useful for tests and exams and help you to score better marks

Class 10 Mathematics Chapter 1 Real Numbers Worksheet Pdf

 

CBSE Class 10 Mathematics Real Numbers And Polynomials Worksheet 1
 

Question.  HCF of 8, 9, 25 is
a) 8
b) 9
c) 25
d) 1
Answer : D

Question. The product of a rational and irrational number is
a) Rational
b) Irrational
c) both of above
d) none of above
Answer : B

Question. If the LCM of a and 18 is 36 and the HCF of a and 18 is 2, then a = ?
a) 2
b) 3
c) 4
d) 1
Answer : C

Question. The ratio between the LCM and HCF of 5, 15, 20 is:
a) 9 : 1
b) 4 : 3
c) 11 : 1
d) 12 : 1
Answer : D

Question. If HCF (16, y) = 8 and LCM (16, y) = 48, then the value of y is
a) 24
b) 16
c) 8
d) 48
Answer : A

Question. The product of a non-zero number and an irrational number is:
a) always irrational
b) always rational
c) rational or irrational
d) one
Answer : A

Question. If HCF (26, 169) = 13, then LCM (26, 169) is …
a) 26
b) 52
c) 338
d) 13
Answer : C

Question. L.C.M. of 23 × 32 and 22 × 33 is :
a) 23
b) 33
c) 23 × 33
d) 22 × 32
Answer : C

Question. The number ‘π’ is
a) natural number
b) rational number
c) irrational number
d) rational or irrational
Answer : C

Question. If the HCF of 65 and 117 is expressible in the form 65m – 117, then the value of m is
a) 4
b) 2
c) 1
d) 3
Answer : B

Question. Express 98 as a product of its primes
a) 22 × 7
b) 22 × 72
c) 2 × 72
d) 23 × 7
Answer : C

 

Very Short Answer type Questions

Question. Find the greatest number of four digits which is exactly divisible by 15, 24 and 36.
Answer : 
9720

Question. Find the HCF and LCM of 108, 120 and 252 using prime factorisation method.
Answer : 
HCF(108, 120, 252) = 12, LCM(108, 120, 252) = 7560.

Question. Find the HCF of 96 and 404 by the prime factorisation method. Hence, find their LCM.
Answer : 
96 = 25 × 3, 404 = 22 × 101, LCM (96, 404) = 9696

Question. Find the greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm and 12 m 95 cm.
Answer : 
35 cm

Question. Find the LCM and HCF of the pair of integers 336 and 54 and verify that LCM × HCF = product of the two numbers.
Answer : 
22338

Question. Find the least number which when divided by 35, 56 and 91 leaves the same remainder 7 in each case.
Answer : 
3647

Question. Find the HCF and LCM of 612 and 1314 using prime factorisation method.
Answer : 
HCF(612, 1314) = 18, LCM(612, 1314) = 44676

Question. Find the largest number which divides 245 and 1037, leaving remainder 5 in each case.
Answer : 
24

Question. Consider the numbers 4n, where n is a natural number. Check whether there is any value of n for which 4n ends with the digit zero.
Answer : 
There is no natural number n for which 4n ends with the digit zero.

Question. Find the smallest number which when divided by 28 and 32 leaves remainders 8 and 12 respectively.
Answer : 
204

Question. Find the least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3
Answer : 
23

Question. Find the HCF and LCM of 6, 72 and 120, using the prime factorisation method.
Answer : 
HCF (6, 72, 120) = 6, LCM (6, 72, 120) = 360

Question. Three measuring rods are 64 cm, 80 cm and 96 cm in length. Find the least length of cloth that can be measured an exact number of times, using any of the rods.
Answer : 
9.6 m

Please click on below link to download CBSE Class 10 Mathematics Real Numbers And Polynomials Worksheet

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CBSE Class 10 Mathematics Chapter 1 Real Numbers Worksheet

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Worksheet for Mathematics CBSE Class 10 Chapter 1 Real Numbers

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Chapter 1 Real Numbers worksheet Mathematics CBSE Class 10

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Chapter 1 Real Numbers CBSE Class 10 Mathematics Worksheet

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Worksheet for CBSE Mathematics Class 10 Chapter 1 Real Numbers

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