Inspector (ASF) Past Papers Solved MCQs Questions with Answers. FPSC Inspector (ASF) Test Preparation Material. The screening test for various jobs in FPSC Inspector (ASF) consists of 100 multiple choice questions from english grammar and vocabulary, current affairs, basic mathematics, general knowledge, general science, islamic studies, general knowledge about Pakistan, and ASF Act 1975. Following are solved questions from past FPSC Inspector (ASF) test papers.
(A) 260
(B) 268
(C) 280
(D) 288
Answer: (D) 288
Solution:
This is an arithmetic sequence with common difference of 4. The first element is 2, and total elements are 12. So, a1 = 1, d = 3 and n = 12. So, by using the formula of nth term of an arithmetic sequence, first we will find the 12th term.
Now, by using the formula for the sum of n elements of an arithmetic sequence, we have
(A) n + 5m
(B) n + 4m
(C) m + 4n
(D) m + 5n
Answer: (B) n + 4m
Solution:
First hour charges = n, remaining 4 hour charges = 4m. Total charges = n + 4m