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
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
| CBSE Class 10 Mathematics Probability And Constructions Worksheet Set A |
| CBSE Class 10 Maths Probabilty Worksheet |
Chapter 1 Real Numbers CBSE Class 10 Mathematics Worksheet
The above practice worksheet for Chapter 1 Real Numbers has been designed as per the current syllabus for Class 10 Mathematics released by CBSE. Students studying in Class 10 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 10 Mathematics on a daily basis. All the latest practice worksheets with solutions have been developed for Mathematics by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 10 Mathematics students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 10 Mathematics to develop the Mathematics Class 10 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 10 Mathematics designed by our teachers. After solving these you should also refer to Class 10 Mathematics MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 10 Mathematics which you can use to further make yourself better in Mathematics.
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