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- Find the HCF and LCM of 60, 84 and 108 by using
- Check whether the rational number 1/13, has terminating recurring or non-terminating
- Find the HCF of 180, 252
- Find the HCF of 26 and 455. With the help of HCF, find LCM also.
- If LCM of 12 and 42 is 10m+ 4, find the value of m.
- Show that 5 - _/3 is irrational.
- Write the denominater of the rational number 257/500 in the form
- Prove that each of the following is irrational number.
- Show that 3_/2 is an irrational number.
- The HCF of two numbers is 113 and their LCM is 56952. If one number
- There is a circular path around a sports field. Sonia takes 18 min to drive
- See the following factor tree for factorisation of 156. Find the
- Two tanks contain 504 L and 735
- Express [15/4±5/40] as a decimal without actual division.
- What is the condition for the decimal expansion of a rational number to terminate
- The decimal expansion of the rational number 43/2x5^ will terminate
- Check whether 6n can end with the digit 0 for any natural number n
- Factorise the number 4095 through factor
- Two tankers contain 850 L and 680 L
- Use Euclids division algorithm to find the HCF of the following
- Show that _/3 + _/5 is an irrational number.
- Use the Euclids division algorithm
- If HCF of 306 and 657 is 9, then find their LCM
- Show that every positive even integer
- Prove that underoot 5 is an irrational number
- What can you say about the prime factorisation of the denominators
- The following real numbers have decimal expansions as given below. In each case
- Find the least number that is divisible by all the numbers from
- Find the HCF of 96 and 404 by the prime
- Write whether every positive integer is of
- Find the HCF and LCM of 6, 72 and 120 using the prime
- Find the HCF of
- If the LCM of 26 and 91 is 182, find their HCF
- If the HCF of 150 and 100 is 50, find the LCM of 150
- Show that the square of an odd positive
- Factorise 612 and 1314 by using tree method and find
- Show that the square of any positive
- If HCF of two numbers is 2 and their product is
- The product of two consecutive positive
- Without actually performing the long division, state whether the following rational numbers
