PRC-2 · Chapter 3 · Question 38 of 45
If the 1st term of an AP is 5 and the 10th term is 32, what is the common difference (d)?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) 3
Explanation
Use Tn = a + (n-1)d. 32 = 5 + (9)d -> 27 = 9d -> d = 3.
More Mathematical Progression MCQs
- Q40The sequence 5, 10, 20, 40... is an example of a/an:
- Q41In the GP formula for the sum of 'n' terms, if r > 1, the formula used is:
- Q42What is the sum of the first 5 terms of the GP: 3, 6, 12...?
- Q43The 'Arithmetic Mean' (AM) between two numbers 'x' and 'y' is defined as:
- Q44The 'Geometric Mean' (GM) between two positive numbers 'x' and 'y' is defined as: