How many multiples of 5 lie between 50 and 250 ?
all multiples of 5 between 50 and 250 is
55 ,60,65 ,70,.........245.
a = 55 , d=5 ,n= ? , an= 245
an =a +(n-1)d
245 = 55 + (n-1 ) 5
245 -55 = 5n-5
190= 5n -5
190 +5 =5n
195 =5n
195/5 =n
39=n
Therefore, there are 39 terms .
HOPE IT MAY HELP U.
55 ,60,65 ,70,.........245.
a = 55 , d=5 ,n= ? , an= 245
an =a +(n-1)d
245 = 55 + (n-1 ) 5
245 -55 = 5n-5
190= 5n -5
190 +5 =5n
195 =5n
195/5 =n
39=n
Therefore, there are 39 terms .
HOPE IT MAY HELP U.