Numerical Reasoning Test Practice: The Percentages, Ratios, and Data-Table Questions You Will See

Effective numerical reasoning test practice is not about brushing up on high-school algebra. It is about drilling the handful of question types these tests actually use: percentages, ratios and proportions, reading data tables and charts, and rates such as per-unit costs and currency conversion. Almost every question on a graduate or pre-employment numerical reasoning test is one of those, wrapped in a business scenario, with a calculator allowed and a tight time limit of roughly one to two minutes per question. This guide gives you worked examples of each type, the shortcuts that save you time, and a fast prep plan for when your test is only days away. Practice the right four things and the test stops feeling like math and starts feeling like a pattern you recognize.

Quick takeaways

• Numerical reasoning tests measure whether you can interpret data and reason with it, not whether you can do hard math.
• The questions cluster into four types: percentages, ratios and proportions, data tables and charts, and rates and currency.
• Per SHL (shl.com), you answer questions using facts and figures presented in statistical tables, under time pressure.
• A calculator is almost always allowed, so the challenge is speed and reading the right figure, not arithmetic.
• The biggest time-waster is misreading the table. Find the exact row and column before you calculate.
• With a short window, drill worked examples of each type rather than reviewing general math.

What a numerical reasoning test actually measures

A numerical reasoning test is a data-interpretation test, not a math exam. SHL (shl.com), one of the most widely used test publishers, describes its numerical reasoning questions as requiring you to answer using facts and figures presented in statistical tables. You are given a chart or a table, a business-style question, and usually four or five answer options.

That distinction matters for how you practice. The arithmetic is deliberately simple because you have a calculator. What the test is really checking is whether you can find the right numbers, choose the right operation, and do it fast under pressure. Candidates who fail rarely fail because the math was hard. They fail because they ran out of time, picked the wrong figure from a busy table, or fell for a "distractor" answer that used the wrong year or the wrong column. Practice fixes exactly those errors.

The four question types you need to practice

Here is the honest short list. Master these four and you have covered the overwhelming majority of what any graduate or pre-employment numerical reasoning test throws at you.

1. Percentages

Percentage questions are the most common single type. You will see percentage change, percentage of a total, and reverse percentages (working backward from a percentage to the original number).

Worked example. A company's revenue rose from $240,000 to $288,000. What was the percentage increase?

• Step 1: Find the change. 288,000 - 240,000 = 48,000.
• Step 2: Divide by the original, not the new figure. 48,000 / 240,000 = 0.2.
• Step 3: Convert to a percentage. 0.2 x 100 = 20 percent.

The classic trap is dividing by the new number (288,000) instead of the original. Percentage change is always relative to the starting value.

2. Ratios and proportions

Ratio questions ask you to split a total in a given ratio, or scale a quantity up or down.

Worked example. A team of 3 analysts and 2 associates splits a $50,000 bonus pool in the ratio of their headcount, 3 to 2. How much do the associates receive in total?

• Step 1: Add the ratio parts. 3 + 2 = 5.
• Step 2: Find the value of one part. 50,000 / 5 = 10,000.
• Step 3: Multiply by the associates' share. 2 x 10,000 = 20,000.

The associates receive $20,000. The trap is stopping at the value of one part, or answering for the wrong group.

3. Data tables and charts

This is the type that separates fast candidates from slow ones. You are given a dense table or chart and asked a question that uses one, two, or three specific cells. The math is easy; finding the right figures is the test.

Worked example. A table shows quarterly sales for three regions. The question asks: what were total Q3 sales across all three regions? The skill is not the addition, it is scanning to the Q3 column, reading down all three regional rows, ignoring the Q1, Q2, and Q4 columns that are there specifically to slow you down, and summing only those three numbers.

The habit to build: before you touch the calculator, put your finger (or cursor) on the exact row and column the question asks about. Confirm you are reading the right year, region, or unit. Most data-table errors happen in the reading, not the calculating.

4. Rates and currency

These questions involve per-unit costs, exchange rates, or conversions.

Worked example. A supplier charges 0.85 euros per unit. At an exchange rate of 1 euro = 1.10 dollars, what is the cost of 200 units in dollars?

• Step 1: Cost in euros. 200 x 0.85 = 170 euros.
• Step 2: Convert to dollars. 170 x 1.10 = 187 dollars.

The trap is applying the exchange rate in the wrong direction (dividing instead of multiplying). Always sanity-check: if euros are worth more than dollars per your rate, the dollar figure should be larger.

The time pressure is the real test

Here is what the UK-focused and generic practice sites often underplay for a US candidate: the difficulty is almost entirely about pace. Most numerical reasoning tests, including SHL's paid Verify assessments, give you roughly one to two minutes per question as an industry-typical rate (SHL's own free example page runs untimed, but real assessments are timed). That is enough time to solve a question you recognize and not enough time to figure out an unfamiliar type from scratch on the day.

The single highest-value habit is doing timed practice so the pace feels normal. If your first exposure to the clock is on test day, you will rush, misread, and lose easy marks. For the specific format, timing, and cutoffs used by the most common publisher, see our SHL numerical reasoning guide.

A fast prep plan for the last few days

You do not need weeks. You need a focused plan for the time you have.

1. Learn the four types, not general math. Spend your first session on the percentage, ratio, data-table, and rate examples above until each feels routine.
2. Do timed sets. Practice in blocks under the real time limit. Speed comes from repetition of familiar patterns, not from studying harder math.
3. Review every mistake. For each one you miss, name the cause: wrong figure read, wrong operation, or ran out of time. The fix is different for each.
4. Take a full-length mock the day before. A complete timed run under realistic conditions is the best predictor of how you will actually perform, and it settles nerves.
5. On the day, read the table before you calculate. Slow down for two seconds to find the right cell, and you will save far more time than you lose.

This is the plan built for the final 24 to 72 hours before your test, which is exactly when most candidates find this page.

Where numerical reasoning fits with other tests

Numerical reasoning is rarely the only test you will face. Employers frequently pair it with verbal reasoning, logical or inductive reasoning, and sometimes a personality questionnaire. If your process bundles several of these, prepare for the mix rather than just the numerical section. Our SHL test overview explains how these sections are usually combined, and our verbal reasoning guide covers the sibling test you are most likely to sit alongside it.

How PrepClubs helps you prepare

PrepClubs is built to get you fluent in exactly the four question types above, fast. You get full-length numerical reasoning mocks that mirror the real time pressure, plus topical drills that let you hammer one weak type, say percentages or data tables, until it stops costing you marks. That pairing of full mocks and targeted drills is deeper than the single free sample most sites offer, and it is designed for the candidate who needs measurable improvement in days, not months. Because numerical reasoning usually travels with verbal and logical tests, you can practice the whole battery in one place instead of stitching together five different free samples.

And because your test date is close, PrepClubs backs its prep with a 30-day Pass Guarantee: prepare with us, and if you do not pass your real test, we extend your access at no extra cost. More than 1,600 students have used PrepClubs to prepare for cognitive and aptitude tests.

FAQ

What is on a numerical reasoning test?

Mostly four question types: percentages (change, of a total, reverse), ratios and proportions, data-table and chart interpretation, and rates such as per-unit costs and currency conversion. Questions are wrapped in business scenarios, a calculator is usually allowed, and you get roughly one to two minutes per question.

Are numerical reasoning tests hard?

The math itself is deliberately simple because you have a calculator. The difficulty is speed and accuracy under time pressure, plus reading the right figure from a busy table. Candidates who prepare by drilling the common question types under a timer usually find the test manageable.

How do I practice for a numerical reasoning test with answers?

Work through examples that show the full solution, not just the final number, so you learn the method for each type. Then do timed practice sets and review every mistake by cause. Full-length mocks with worked answers are the most effective format, because they build both the method and the pace.

Can I use a calculator on a numerical reasoning test?

In almost all cases, yes. Because arithmetic is not the challenge, the test focuses on whether you can find the right data and choose the right operation quickly. Practice your calculator setup so entering figures is fast and error-free.

How long is a numerical reasoning test?

It varies by publisher and role, but a common structure gives you roughly one to two minutes per question across 10 to 20 questions, with several questions drawing on the same data set. That per-question rate is an industry-typical figure rather than a single published standard. SHL (shl.com) describes its numerical questions as using facts and figures presented in statistical tables, and real assessments are timed even though SHL's free example page is not.

What is a good score on a numerical reasoning test?

Scores are usually reported as a percentile comparing you to a relevant group, so a "good" score depends on the role's cutoff. Competitive graduate and finance roles often expect higher percentiles. Our guide on what counts as a good aptitude test score explains how these percentiles work.

How can I improve my numerical reasoning quickly?

Focus your limited time on the four common question types, practice under the real time limit, and review mistakes by cause (wrong figure, wrong operation, or ran out of time). A full-length timed mock the day before is the best single predictor of your real performance and settles nerves.

Related on PrepClubs

• SHL numerical reasoning test format, practice, and cutoffs
• The SHL test overview
• SHL verbal reasoning test format and sample questions
• What counts as a good aptitude test score

Ready to get fluent in the four question types that actually appear? PrepClubs gives you full-length numerical reasoning mocks plus targeted drills for your weak spots, backed by the 30-day Pass Guarantee. Start practicing numerical reasoning.