Question

a. I am a 7-digit number. My Thousands place is 8, my Ones place is half of the digit at Thousands place; Hundreds and Tens places are 2 more than the digit at Ones place. Lakhs place is 1 more than the digit at Thousands place. The digit at Ten Lakhs place is 5. The digit at Ten Thousands place is 3.​

Answer 1

According to problem:

a=1

d=2

∴Sn=2n[2a+(n−1)d]

          =2n[2+2n−2]

          =n2

∴Mean=nSn=nn2=n

Answer 2

Answer:

5938664

Step-by-step explanation:

ONES PLACE IS HALF OF THE DIGIT AT THOUSAND PLACE =.8*2 =4

hundreds and tens are 2 more than digit of ones place = 4+2=6