10th Samacheer Quiz

Q1. If a=5,d=3, find a₈.

23 24 26 29

Q2. Using Euclid's algorithm, find HCF of 60 and 32.

2 4 6 8

Q3. If 5, x, 17 are consecutive AP terms, find x.

9 10 11 12

Q4. If a=2,r=3, find a₄.

18 27 54 81

Q5. What is the LCM of 8 and 12?

12 16 24 48

Q6. Find the sum formula for n terms of a GP.

a(rⁿ−1)/(r−1) a+(n−1)r n/2(a+r) arⁿ

Q7. What is the remainder when 17 is divided by 5?

1 2 3 4

Q8. Find the common difference.

2 3 4 5

Q9. Which is a geometric progression?

2,6,18,54,... 2,5,8,11,... 1,4,9,16,... 5,7,10,14,...

Q10. What type of sequence is 2,4,8,16,...?

AP GP HP Neither

Numbers and Sequences