Chapter 5 Arithmetic Progressions- MCQ Online Test 3 Class 10 Maths

1. Find the common difference of the A.P whose s_n= 3n² + 7n?
a. 5
b. 6
c. 8
d. 9
2. The first and last terms of an A.P. are 1 and 11. If their sum is 36, then find the number of terms?
a. 8
b. 5
c. 6
d. 2
3. Find the number of multiples of 4 lie between 10 and 250?
a. 65
b. 60
c. 45
d. 50
4. Find the common difference of an A.P. in which a₁₈ − a₁₄ = 32
a. 32
b. 8
c. 16
d. 24
5. In an A.P. it is given that a = 5, d = 3 and a_n= 50, then find the value of ‘n’?
a. 25
b. 16
c. 30
d. 14
6. The first term of an AP is 5, the last term is 45 and the sum is 400. Find the number of terms?
a. 20
b. 16
c. 28
d. 32
7. In an A.P., if s_n= 3nⁿ+ 2n then find the value of‘d’?
a. 8
b. 5
c. 6
d. 3
8. What is the sum of first n natural numbers?
a. n(n+1)
b. 2n(n+1)
c. n(n+1)/2
d. (2n-1)2n
9. The first term of an A.P. is ‘m’ and its common difference is ‘n’, then find its 10th term?
a. m + 9n
b. m – 9n
c. 2m + 9n
d. m + 3n
10. Find the 31st term of an AP whose first two terms are – 3 and 4?
a. 200
b. 207
c. 300
d. 315