#### Fill in the blanks:

(i) HCF of two consecutive natural numbers is ……

(ii) HCF of two consecutive odd numbers is …..

(iii) HCF of two consecutive even numbers is ……

**Solution:**

#### Find the greatest number which can divide 257 and 329 so as to leave a remainder 5 in each case.

**Solution:**

#### Find the largest number that will divide 623, 729 and 841 leaving remainder 3, 9 and 1 respectively.

**Solution:**

**More Solutions:**

- Meenu purchases two bags of rice of weights 75 kg and 69 kg.
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- Find the L.C.M. of the given numbers by division method :
- Find the least number which when divided by 6, 15 and 18.
- Find the smallest 4-digit number.
- Find the least number of five digits.
- Traffic lights at three different road crossing change after 48 seconds.
- Find the HCF of 180 and 336.
- The only natural number which has exactly one factor is ……….
- If a statement is false, justify your answer.