A bank is sizing its cash logistics contract. Delhi's population is about 2 crore.
Estimate total daily ATM cash withdrawal in Delhi in rupees. Build from users and behaviour, then cross-check against ATM count and capacity.
100 points, 60% to pass.
Demand: banked adults × withdrawal frequency × average withdrawal size. Cross-check: number of ATMs × transactions per ATM per day × average withdrawal. The two should reconcile. The interesting judgement is the direction of travel — UPI has cut withdrawal frequency sharply, and a candidate who assumes pre-digital behaviour will overstate by a wide margin.