CBSE Class 10 Mathematics Real Numbers Worksheet Set I
Choose the correct answer from the given options: Question. The LCM of smallest two-digit composite number and smallest composite number is: (a) 12 (b) 4 (c) 20 (d) 44 Answer : C Question. 325 can be expressed as a product of its primes as: (a) 52 × 7 (b) 52 × 13 (c) 5 × 132…
CBSE Class 10 Mathematics Real Numbers Worksheet Set G
Fill in the blanks/tables with suitable information: Question. (2+√5/3) is .................... number. Answer : irrational Question. The HCF of two numbers is 27 and their LCM is 162. If one of the numbers is 54, the other number is…
CBSE Class 10 Mathematics Real Numbers Worksheet Set F
Question. The sum of exponents of prime factors in the prime-factorisation of 196 is: (a) 3 (b) 4 (c) 5 (d) 6 Answer : B Question. The HCF and the LCM of 12, 21, 15 respectively are (a) 3, 140 (b) 12, 420 (c) 3, 420 (d) 420, 3 Answer : C Question. 7 × 11 × 13 × 15…
CBSE Class 10 Mathematics Real Numbers Worksheet Set D
Q.- Insert a rational and an irrational number between 2 and 3. Sol. If a and b are two positive rational numbers such that ab is not a perfect square of a rational number, then √ab is an irrational number lying between a and b. Also, if a,b are rational numbers, then…