PDF chapter test TRY NOW

1. The next term in the sequence 15, 17, 20, 22, 25, ... is .
 
2. What will be the 25^{th} letter in the pattern? ABCAABBCCAAABBBCCC,...
 
3. The difference between 6^{th} term and 5^{th} term in the Fibonacci sequence is .
 
4. The 11^{th} term in the Lucas sequence 1, 3, 4, 7, ... is .
 
5. If the highest common factor of 26 and 54 is 2, then HCF of 54 and 28 is