Question

Average age of jawans of a platoon was 24 years three new jawans were recruited whose ages were 27 30 and 23 years the average went up to 24 years and 2 months find the number of jawans before new recruitment.​

Answer 1

$\huge\blue{Answer}$

Let no. of jawans ben

(x1+x2.......... +xn) /n=24

24n+(27+23+30)/3=265/6

24n+80/3=265/6

24n=265/6-80/3

=105/6

=105*24/6

n = 420

Answer 2

Answer:

n=420

Step-by-step explanation:

Let no of jawans be =n (x1+x2+xn) n=24 24n+(27+23+30) /3=265/6 24n+80/3=265/6 24n=265/6-80/3 =105/6 =105*24/6 n=420 thanks so much