Sequences Quadratic

Easy

Medium

Difficult

Q1) What is the nth term of 8,18,30,44,60...
Q1) What is the nth term of -5,-1,7,19,35...
Q1) What is the 19th term of 1,9,21,37,57...
Q2) What is the nth term of -5,-2,3,10,19...
Q2) What is the nth term of 15,29,49,75,107...
Q2) What is the 19th term of 15,26,41,60,83...
Q3) What is the nth term of 5,8,13,20,29...
Q3) What is the nth term of 13,27,47,73,105...
Q3) What is the 10th term of 8,15,28,47,72...
Q4) What is the nth term of -5,-8,-9,-8,-5...
Q4) What is the nth term of 15,27,45,69,99...
Q4) What is the 14th term of 14,27,46,71,102...
Q5) What is the nth term of 10,22,36,52,70...
Q5) What is the nth term of 4,16,34,58,88...
Q5) What is the 15th term of 10,20,34,52,74...
Q6) What is the nth term of 6,14,24,36,50...
Q6) What is the nth term of 9,22,41,66,97...
Q6) What is the 18th term of -9,-8,-3,6,19...
Q7) What is the nth term of -9,-16,-21,-24,-25...
Q7) What is the nth term of 13,25,43,67,97...
Q7) What is the 11th term of -1,8,21,38,59...
Q8) What is the nth term of 5,12,21,32,45...
Q8) What is the nth term of 15,26,43,66,95...
Q8) What is the 11th term of 9,14,25,42,65...
Q9) What is the nth term of -7,-12,-15,-16,-15...
Q9) What is the nth term of -1,13,33,59,91...
Q9) What is the 11th term of -4,2,14,32,56...
Q10) What is the nth term of 4,7,12,19,28...
Q10) What is the nth term of -3,9,27,51,81...
Q10) What is the 13th term of -4,3,16,35,60...