Fewpal
0 votes
830 views
in Aptitude by (137k points)

The average of 5 consecutive odd numbers A, B, C, D and E is 45. What is the product of B and D ?
(a) 2107 (b) 2205 (c) 1935 (d) 2021 (e) None of these

1 Answer

0 votes
by (143k points)
selected by
 
Best answer

(d) Let the first odd number, A be x.
According to the question
A + B + C + D + E = 5 × 45
⇒x + x +2 +x + 4 + x +6 + x + 8 = 225
⇒5x + 20 = 225
⇒5x = 225 - 20 = 205

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...