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Oliver Buchannon
Shah Adaan Uzzaman

Shah Adaan Uzzaman is the Founder of Adaanist and the Co-Founder and CEO of Strategic Signals. Adaan is currently studying Economics at Columbia University. He has closely advised several Bangladeshi policymakers since he was 19 years old. He is also considered one of the best debaters in Bangladesh.

Grammar

+2

Error Detection Drill #3

Aug 16, 2025

•

3 min read

Error Detection Drill #3

(for IBA & BUP)

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Grammar

+2

Error Detection Drill #2

Aug 16, 2025

•

3 min read

Error Detection Drill #2

(for IBA & BUP)

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Grammar

+2

Error Detection Drill #1

Aug 16, 2025

•

5 min read

Error Detection Drill #1

(for IBA & BUP)

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Critical Reasoning

+2

Critical Reasoning Drill (151-160)

Aug 13, 2025

•

11 min read

Critical Reasoning Drill (151-160)

(for IBA DU, GRE & GMAT)

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Grammar

+2

Adaanist Grammar Rule #12 | The Matching Rule

Aug 8, 2025

•

9 min read

Adaanist Grammar Rule #12 | The Matching Rule

Rule #12: If a “to be” verb (am, is, are, was, were) acts as the main verb in a sentence, and a pronoun comes after it, always use the subject form of the pronoun (I, he, she), not the object form (me, him, her).

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle #32 | GRE Big Book (Test #5 - Section #1 - Questions 7-11)

Aug 7, 2025

•

4 min read

Analytical Puzzle #32 | GRE Big Book (Test #5 - Section #1 - Questions 7-11)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle #31 | GRE Big Book (Test #5 - Section #1 - Questions 1-3)

Aug 7, 2025

•

2 min read

Analytical Puzzle #31 | GRE Big Book (Test #5 - Section #1 - Questions 1-3)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle #30 | GRE Big Book (Test 4 - Section 6 - Questions 20-22)

Aug 5, 2025

•

2 min read

Analytical Puzzle #30 | GRE Big Book (Test 4 - Section 6 - Questions 20-22)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Updates

+1

How to Prepare for IBA DU BBA/MBA Admission Test (for free)

Aug 3, 2025

•

4 min read

How to Prepare for IBA DU BBA/MBA Admission Test (for free)

Start IBA Preparation with Adaanist In 3 Simple Steps

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle #29 | GRE Big Book (Test #4 - Section #6 - Question # 9-14)

Aug 2, 2025

•

3 min read

Analytical Puzzle #29 | GRE Big Book (Test #4 - Section #6 - Question # 9-14)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle #28 | GRE Big Book (Test #4 - Section #6 - Question #1-5)

Aug 2, 2025

•

3 min read

Analytical Puzzle #28 | GRE Big Book (Test #4 - Section #6 - Question #1-5)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle #27 | GRE Big Book (Test #4 - Section #3 - Question #17-22)

Aug 2, 2025

•

3 min read

Analytical Puzzle #27 | GRE Big Book (Test #4 - Section #3 - Question #17-22)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle #26 | GRE Big Book (Test #4 - Section #3 - Questions #11-16)

Aug 2, 2025

•

3 min read

Analytical Puzzle #26 | GRE Big Book (Test #4 - Section #3 - Questions #11-16)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle #25 | GRE Big Book (Test #4 - Section #3 - Questions #7-10)

Aug 2, 2025

•

2 min read

Analytical Puzzle #25 | GRE Big Book (Test #4 - Section #3 - Questions #7-10)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle #24 | GRE Big Book (Test #4 - Section #3 - Questions #1-3)

Aug 2, 2025

•

2 min read

Analytical Puzzle #24 | GRE Big Book (Test #4 - Section #3 - Questions #1-3)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle #23 | GRE Big Book (Test #3 - Section #4 - Question #19-22)

Jul 30, 2025

•

2 min read

Analytical Puzzle #23 | GRE Big Book (Test #3 - Section #4 - Question #19-22)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle #22 | GRE Big Book (Test #3 - Section #4 - Question #16-18)

Jul 30, 2025

•

2 min read

Analytical Puzzle #22 | GRE Big Book (Test #3 - Section #4 - Question #16-18)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle #21 | GRE Big Book (Test #3 - Section #4 - Question #11-15)

Jul 29, 2025

•

3 min read

Analytical Puzzle #21 | GRE Big Book (Test #3 - Section #4 - Question #11-15)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle #20 | GRE Big Book (Test #3 - Section #4 - Question #1-7)

Jul 29, 2025

•

3 min read

Analytical Puzzle #20 | GRE Big Book (Test #3 - Section #4 - Question #1-7)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle 30  | GRE Big Book (Test #4 - Section #6 - Question #15-19)

Jul 29, 2025

•

3 min read

Analytical Puzzle 30 | GRE Big Book (Test #4 - Section #6 - Question #15-19)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Critical Reasoning

+2

Critical Reasoning Drill #2 (11-20)

Jul 29, 2025

•

8 min read

Critical Reasoning Drill #2 (11-20)

Shah Adaan Uzzaman
Shah Adaan Uzzaman

DU B Unit English

DU B Unit English Question (2023-24) |  ঢাকা বিশ্ববিদ্যালয় খ ইউনিট ইংরেজি প্রশ্ন (২০২৩-২৪)

Jul 27, 2025

•

3 min read

DU B Unit English Question (2023-24) | ঢাকা বিশ্ববিদ্যালয় খ ইউনিট ইংরেজি প্রশ্ন (২০২৩-২৪)

Practice DU B Unit English questions (2023-24) with answer keys.

Shah Adaan Uzzaman
Adaanist Team
Shah Adaan Uzzaman, +1

Vocabulary

+2

IBA High-Frequency Word List #24 (576-600)

Jul 25, 2025

•

28 min read

IBA High-Frequency Word List #24 (576-600)

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Analytical

+2

Analytical Puzzle #19 | GRE Big Book (Test #3 - Section #1 - Question #19-22)

Jul 25, 2025

•

2 min read

Analytical Puzzle #19 | GRE Big Book (Test #3 - Section #1 - Question #19-22)

With detailed video explanation in Bangla

Shah Adaan Uzzaman
Shah Adaan Uzzaman

Vocabulary

+2

IBA High-Frequency Word List #21 (501-525)

Jul 25, 2025

•

17 min read

IBA High-Frequency Word List #21 (501-525)

Shah Adaan Uzzaman
Shah Adaan Uzzaman
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