How many ATMs does India have in a year? (Guesstimate 1)

Can you answer this riddle?
“Guess + Estimate = ?”
Guesstimate is a perfect blend of guesswork and estimation. It is an approximate calculation of a phenomena when you are not equipped with all the facts! But, we aren’t Encyclopaedia to know all the facts, are we? So why not Guesstimate?
E-Cell and Skill Hub of St. Xavier’s College (Autonomous) Mumbai presents you “Guesstimate”. A series of interviews which will give you an insight about how to be an excellent Guesstimater!
Watch our “Guesstimate No. 1” and let’s get started!
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[@DheerajGupta0651]

You have already categorised population in term of age group then why you later again categorised in household . Means you are trying to make household only with the age group of 20-60 , I don’t think it is safe to make this assumption. Think once , I might be wrong

[@demonslayer3683]

I also thought the same.

[@kingsg2358]

Absolutely dividing by no. of people per household was of no use. She have assumed per household had 4 people but all four people cannot lie in the category of age group of 15-60.

[@sourabhmondal7816]

She should have done that previously and there was another mistake in the urban area there was no lower middle class or lower class . I think that's not the correct approach

[@krishnamohantiwari1140]

at first, start with asking questions then go ahed with solution.

[@nehamukundr4480]

Why did you divide 40 crore by 1500? On what basis did you set it to 1500?

[@UtYt06]

Because for every 1500 people in India, there is a single atm. That's what she assumed at the start

[@shreeshaaithal9851]

Why was it divided by 1500 crores

[@GKAishere]

As Initially it was assumed to be the number of ATM per person in India

[@adityawadikar9326]

Not every person who has a bank account will have an ATM card.

[@RohanMahaldar-hv5hi]

interviewer ka sirf ya you do that is constant.

[@Mr_IIM_07]

It is matching with real data 😅

[@AshishArpanDadhara]

😅

[@akashrathod3411]

Solution needs to refined ,

[@amitprakash467]

that's a scripted interview imo

[@mdabidraza7299]

Everyone knows