Big 4 entrance practice · All four firms
Deloitte, EY, KPMG and PwC, each in its own sections and clock, for applicants who sit more than one paper in the same season.
$69Lifetime access · one-time payment
7-day refund if you have opened no more than 3 sets, mock papers included. Refund policy
Best forYou are applying to more than one Big 4 firm this season.
01The problem
02The fix
Practice is split by section for each firm, and each firm has a full mock in the paper's own order and timing. Tax items are written against the law as of 21 Oct 2026, and each one names the instrument it rests on. Every set runs on the paper's per-question time, and the review shows your answer, the key and the working.
Lead schedule B4
Entrance papers, by firmTax law as of 21 Oct 2026
Which firm's paper are you sitting?
| Ref | Paper | Sections in the paper | MCQ | Clock | Practice |
|---|---|---|---|---|---|
| D-1 | Accounting · Auditing · Tax (Vietnam) · General knowledge & IQ · Essay | 60 | 90 min | 160 | |
| E-1 | Accounting · Auditing · Tax (Vietnam) · General knowledge & IQ · Essay | 60 | 90 min | 160 | |
| K-1 | Accounting · Auditing · Tax (Vietnam) · Numerical reasoning & SJT | 35 | 30 min | 160 | |
| P-1 | Verbal reasoning · Advanced numeracy | 30 | 30 min | 160 | |
| Σ | All four | 4 full mocks, one per paper | 640 |
03What you get
04Proof
Try a free 12-question demo (one per firm, no sign-in).
05Choose once
06Questions
No. DrillCase is independent practice for the Big 4 entrance test format. It is not affiliated with, endorsed by or connected to McKinsey, BCG or Bain.
Deloitte: 160 questions + a 60-question mock: Accounting, Auditing, Tax (Vietnam), General knowledge & IQ. The Deloitte pack on its own is $29. EY: 160 questions + a 60-question mock: Accounting, Auditing, Tax (Vietnam), General knowledge & IQ. The EY pack on its own is $29. KPMG: 160 questions + a 35-question mock: Accounting, Auditing, Tax (Vietnam), Numerical reasoning & SJT. The KPMG pack on its own is $29. PwC: 160 questions + a 30-question mock: Verbal reasoning, Advanced numeracy. The PwC pack on its own is $29. Lifetime access: Firm packs run for one year; this bundle never expires.
Lifetime access · one-time payment. You pay $69 once in USD. There is no subscription and nothing renews.
Yes. Try a free 12-question demo (one per firm, no sign-in). The 63-case library and 582 drill questions are also free for everyone.
Yes, if you have opened no more than 3 sets: email support@drillcase.com within 7 calendar days of purchase for a full refund. The mock papers count as opened. Refunds are processed within 2 business days.
If you only have one test, the single product line is cheaper. If you have invitations from two firms, or do not yet know which format you will get, the pass ($250) costs less than the top tier of any two lines together, and $207 less than all three bought separately ($457).
A laptop or desktop in a current version of Chrome, Edge or Safari, the same setup you would use for the real online test. Pages open on mobile, but timed practice is built for a larger screen.
As soon as the payment is confirmed. You pay by card on a secure checkout page and come back to DrillCase, which shows the order as paid once our server has confirmed it. If anything goes wrong, email support@drillcase.com.
7-day refund if you have opened no more than 3 sets, mock papers included.
P.S. All four firms is $69 once, lifetime access.
DrillCase is independent practice. It is not affiliated with or endorsed by Deloitte, EY, KPMG or PwC. Anything else? Email support@drillcase.com.