2. Prove that 3 + 2√5 is irrational. Previous Next Class 10 Real Numbers Exercise 1.2 1. Prove
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Prove that square root of 5 is irrational.
1. Prove that √5 is irrational. Previous Next Class 10 Real Numbers Exercise 1.2 1. Prove that (sqrt{5})
There is a circular path around a sports field. Sonia takes 18 minutes to drive one round of the field, while Ravi takes 12 minutes for the same. Suppose they both start at the same point and at the same time, and go in the same direction. After how many minutes will they meet again at the starting point?
There is a circular path around a sports field. Sonia takes 18 minutes to drive one round of
Explain why 7×11×13+13 and 7×6×5×4×3×2×1+5 are composite numbers.
6. Explain why 7×11×13+13 and 7×6×5×4×3×2×1+5 are composite numbers. Previous Next Class 10 Real Numbers Exercise 1.1 1.
Check whether 6^n can end with the digit 0 for any natural number n.
5. Check whether 6n can end with the digit 0 for any natural number n. Previous Next Class
Given that HCF (306, 657) = 9, find LCM (306, 657).
4. Given that HCF (306, 657) = 9, find LCM (306, 657). Previous Next Class 10 Real Numbers
Find the LCM and HCF of the following integers by applying the prime factorization method.
3. Find the LCM and HCF of the following integers by applying the prime factorization method. (i) 12,
Find the LCM and HCF of the following pairs of integers and verify that LCM × HCF = product of the two numbers.
2. Find the LCM and HCF of the following pairs of integers and verify that LCM × HCF
Express each number as a product of its prime factors: (i)140 (ii)156 (iii)3825 (iv)5005 (v)7429
1. Express each number as a product of its prime factors : (i) 140