Free practice · numeric · medium
Practice
Recover a workplace subtotal
Northstar recorded 85 fictional shipments for a day. Morning shipments were 37, and every shipment was either morning or afternoon. How many were afternoon shipments?
Information sufficiency test
Stop when the facts determine one exact answer
- Target
- Write the exact requested answer
- Known
- Separate each supplied fact
- Test
- Try two answers that fit every fact
- Decision
- Sufficient, joint, redundant, or insufficient
- Limit
- State the remaining range or missing fact
Relevant evidence may narrow a question without resolving it. Test whether alternatives remain before calculating further.