Sarthaks Test
0 votes
in Mathematics by (70.5k points)

If N is the number of positive integral solution of x1 x2 x3 x4 = 770, then the value of N is _______

(a) 250 

(b) 252 

(c) 254 

(d) 256

1 Answer

+1 vote
by (75.6k points)
selected by
Best answer

Correct option: (d) 256


770 = 2 x 5 x 7 x 11

2 can be put in 4 ways

5 can be put in 4 ways

7 can be put in 4 ways

11 can be put in 4 ways

Number of ways of solution = N = 44 = 256

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.