Question

Four numbers are inserted between the numbers 4 and 39 such that an AP results. Find the

biggest of these four numbers [ ]

a) 30 b) 31 c) 32 d) 33​

Answer 1

Answer:

Four nos are inserted between 4,39

Then 39 is 6th no in AP

Let difference between 1st and second number

Then second no is 4+r

Similarly those nos are

4,4+r,4+2r,4+3r,4+4r,39

Now 4+5r=39

5r=39-4

5r=35

r=35/5=7

Then those nos are

4,11,18,25,32,39

Ans :32