Tamil Nadu Board Solutions for Chapter: Numbers, Exercise 4: Try These

Express $68$ and $128$ as the sum of two consecutive primes.

Express $79$ and $104$ as the sum of any three odd primes.

Are the leap years divisible by $2$?

Is the first $4$ digit number divisible by $3$?

Check whether the sum of $5$ consecutive numbers is divisible by $5$.

Identify the numbers in the sequence $2000, 2006, 2010, 2015, 2019, 2025$ that are divisible by both $2$ and $5$.

Find the HCF of the numbers $18,24$ and $30$ by factor tree method.