Abia TechRise

Answer: (b) 13/20

Explanation:

Find LCM of 5 and 4 = 20

2/5 = 8/20

1/4 = 5/20

8/20 + 5/20 = 13/20

Answer: (a) Google Chrome

Explanation:

A web browser is software used to access and view websites.

Examples: Google Chrome, Mozilla Firefox, Safari, Opera, Microsoft Edge

Excel = spreadsheet software

PowerPoint = presentation software

Notepad = text editor

Answer: (c) Fertile

Explanation:

"Barren" means unable to produce fruit, crops, or offspring; unproductive.

Antonym: Fertile (able to produce abundantly)

Example: Barren land vs. Fertile land.

Answer: (c) ₦268,750

Explanation:

VAT = 7.5% of ₦250,000

= (7.5/100) × 250,000

= 7.5 × 2,500

= ₦18,750

Total cost = ₦250,000 + ₦18,750 = ₦268,750

Answer: (c) Alex Otti

Explanation:

Dr. Alex Otti became Governor of Abia State on May 29, 2023.

He was elected under the Labour Party (LP).

He succeeded Okezie Ikpeazu.

Answer: (b) 1024 bytes

Explanation:

In computing (binary system):

1 KB = 2¹⁰ = 1024 bytes

1 MB = 1024 KB

1 GB = 1024 MB

1 TB = 1024 GB

(Note: Some manufacturers use 1000 bytes = 1 KB for marketing, but the standard computing answer is 1024.)

Answer: (b) Modern

Explanation:

"Ancient" means very old; belonging to the distant past.

Antonym: Modern (belonging to the present or recent times)

• "Old", "Past", and "Historical" are synonyms, not antonyms.

Answer: (c) 36

Explanation:

Nigeria has 36 states and 1 Federal Capital Territory (Abuja).

Created in phases: 1967 (12 states), 1976 (19), 1987 (21), 1991 (30), 1996 (36).

Total Local Government Areas: 774.

Answer: (d) Adverb

Explanation:

"Beautifully" describes how she sang (it modifies the verb "sang").

Words that modify verbs are adverbs.

Many adverbs end in -ly (beautifully, quickly, slowly).

Adjective = beautiful (modifies a noun)

Adverb = beautifully (modifies a verb)

Answer: (c) Lagos

Explanation:

Yaba, Lagos is called the "Silicon Valley of Nigeria" (or "Yabacon Valley").

It is home to many tech startups, hubs, and innovation centres.

Examples: Co-Creation Hub (CcHub), Andela, Paystack.

Answer: (c) 3/4

Explanation:

0.75 = 75/100

Divide numerator and denominator by 25:

75 ÷ 25 = 3

100 ÷ 25 = 4

= 3/4

Answer: (b) Bosun Tijani

Explanation:

Dr. Bosun Tijani was appointed Minister of Communications, Innovation and Digital Economy in August 2023.

He is a tech entrepreneur and co-founder of Co-Creation Hub (CcHub).

He succeeded Isa Ali Pantami.

Answer: (c) Keyboard

Explanation:

Input devices send data INTO the computer.

Examples: Keyboard, Mouse, Scanner, Microphone, Joystick

Output devices send data OUT of the computer.

Examples: Monitor, Printer, Speaker, Projector

Answer: (c) 5

Explanation:

3x + 5 = 20

3x = 20 − 5

3x = 15

x = 15 ÷ 3

x = 5

Answer: (b) Artificial Intelligence

Explanation:

AI = Artificial Intelligence

It is the simulation of human intelligence by machines.

Examples: ChatGPT, Siri, Google Assistant, self-driving cars

Branches: Machine Learning, Deep Learning, Natural Language Processing

(NLP)

Answer: (b) Naira

Explanation:

Nigeria's currency is the Naira (₦).

It was introduced in 1973, replacing the Nigerian Pound.

Symbol: ₦

Subunit: Kobo (1 Naira = 100 Kobo)

Answer: (b) 30

Explanation:

15% of 200 = (15/100) × 200

= 15 × 2

= 30

Answer: (b) Central Processing Unit

Explanation:

CPU = Central Processing Unit

It is the "brain" of the computer.

It processes instructions and performs calculations.

Parts: Control Unit (CU) + Arithmetic Logic Unit (ALU)

Answer: (b) 36

Explanation:

Multiples of 12: 12, 24, 36, 48...

Multiples of 18: 18, 36, 54...

The lowest common multiple is 36

Answer: (b) Information and Communication Technology

Explanation:

ICT = Information and Communication Technology

It covers all technologies used to handle information and communication.

Examples: computers, internet, phones, software, networks.

Answer: (b) Plentiful

Explanation:

"Abundant" means existing in large quantities; more than enough.

Synonym: Plentiful (also: ample, copious, bountiful)

"Scarce" is an antonym (opposite meaning).

Answer: (c) were

Explanation:

This is a second conditional sentence (hypothetical/unreal situation).

In English, we use "were" (not "was") for all subjects in unreal conditions.

Correct: "If I were you..."

This is called the subjunctive mood.

Answer: (b) Umuahia

Explanation:

Abia State was created on August 27, 1991 by General Ibrahim Babangida.

Capital: Umuahia

Major commercial city: Aba

Abia is in the South-East geopolitical zone.

Answer: (c) 30

Explanation:

Differences: 6−2=4, 12−6=6, 20−12=8

The differences are increasing by 2 each time: 4, 6, 8, 10

Next number = 20 + 10 = 30

Alternatively: 1×2, 2×3, 3×4, 4×5, 5×6 = 30

Answer: (d) Microsoft Word

Explanation:

Microsoft Word is a word processing application (software), NOT a programming language.

Programming languages: Python, Java, HTML, C++, JavaScript

Microsoft Word is used for typing and editing documents.

Answer: (a) World Wide Web

Explanation:

WWW = World Wide Web

Invented by Tim Berners-Lee in 1989.

It is a system of interlinked web pages accessed via the internet.

Note: The internet and WWW are not the same thing — WWW is a service on the internet.

Answer: (b) Universal Serial Bus

Explanation:

USB = Universal Serial Bus

It is a standard for connecting devices to a computer.

Examples: USB flash drive, USB keyboard, USB charger.

Developed in the mid-1990s by a group of companies including Intel, Microsoft, and IBM.

Answer: (b) 144 cm²

Explanation:

Perimeter of square = 4 × side

48 = 4 × side

side = 48 ÷ 4 = 12cm

Area = side × side = 12 × 12 = 144 cm²

Answer: (b) Random Access Memory

Explanation:

RAM = Random Access Memory

It is volatile memory (loses data when power goes off).

It stores data temporarily while the computer is working.

More RAM = faster computer performance.

Answer: (b) since

Explanation:

"Since" is used with a specific point in time (2015, January, Monday).

"For" is used with a duration (for 5 years, for 3 months).

Since 2015 = from 2015 until now.

Answer: (c) Microsoft

Explanation:

Microsoft developed Windows OS.

Founder: Bill Gates (and Paul Allen)

First Windows: Windows 1.0 (1985)

Popular versions: Windows 95, XP, 7, 10, 11

Answer: (b) Criteria

Explanation:

"Criterion" is a Greek-origin word.

Singular: Criterion

Plural: Criteria

Example: "The main criterion is cost." / "The criteria are strict."

Answer: (c) 10

Explanation:

Binary 1010 → Decimal

= (1×2³) + (0×2²) + (1×2¹) + (0×2⁰)

= (1×8) + (0×4) + (1×2) + (0×1)

= 8 + 0 + 2 + 0

= 10

Answer: (c) South-East

Explanation:

Nigeria has 6 geopolitical zones:

· South-East: Abia, Anambra, Ebonyi, Enugu, Imo

· South-South: Akwa Ibom, Bayelsa, Cross River, Delta, Edo, Rivers

· South-West: Ekiti, Lagos, Ogun, Ondo, Osun, Oyo

· North-Central, North-East, North-West

Answer: (c) nor

Explanation:

"Neither...nor" is a fixed correlative conjunction pair.

Neither A nor B = not A and not B.

"Either...or" is the other pair, but "neither" always pairs with "nor".

Answer: (b) Receive

Explanation:

The rule: "i before e except after c"

Receive = R-E-C-E-I-V-E ✓

The "e" comes before "i" because it follows "c".

Common misspellings: Recieve ✗, Receeve ✗, Receve ✗

Answer: (c) Bola Ahmed Tinubu

Explanation:

Bola Ahmed Tinubu became President on May 29, 2023.

He was elected under the All Progressives Congress (APC).

He succeeded Muhammadu Buhari.

Vice President: Kashim Shettima.

Answer: (c) nine

Explanation:

Full proverb: "A stitch in time saves nine."

Meaning: If you fix a small problem now, you prevent it from becoming a big problem later (which would take nine stitches to fix).

Answer: (b) 1960

Explanation:

Nigeria gained independence from Britain on October 1, 1960.

Became a Republic in 1963.

First President: Nnamdi Azikiwe (1963)

First Prime Minister: Abubakar Tafawa Balewa (1960)

Answer: (c) 20%

Explanation:

Profit = Selling Price − Cost Price

= ₦54,000 − ₦45,000 = ₦9,000

Profit % = (Profit ÷ Cost Price) × 100

= (9,000 ÷ 45,000) × 100

= 0.2 × 100

= 20%