Worked solution for TMUA-P1-MNUM-003 is revealed on this page behind the solution details.

Why isn't the answer to TMUA-P1-MNUM-003 shown upfront?

The options are lettered without marking the correct one so you attempt TMUA-P1-MNUM-003 first — TMUA questions reward spotting the trap before you check the worked solution below.

Do I need a calculator for TMUA-P1-MNUM-003?

No — calculators are banned in the TMUA. TMUA-P1-MNUM-003 is set for a no-calculator target of about 120 seconds; the worked solution shows the fastest by-hand route.

Which TMUA specification point is TMUA-P1-MNUM-003?

TMUA-P1-MNUM-003 is Paper P1 · Number (specification code M-Num), level 1. Drill more of the same topic from this page.

TMUA-P1-MNUM-003 — Paper P1 · Number · Level 1

P1M-NumLevel 1~120s target

Spec: M-Num · No calculator · ~120s

What is

15\%

240

Options

$24$
$36$
$30$
$204$
$3.6$

Letters only — the answer key is hidden. Work it out, then check the solution below.

Hint (check trope)

No written hint yet — check the trope: percentages. Name the trap first, work the stem by hand, then open the solution below.

Show solution

10\% = 24

and

5\% = 12

, so

15\% = 24 + 12 = 36

Keep practising

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Same trap: percentages
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TMUA-P1-MNUM-024
A price of 80 is increased by 25\%. What is the new price?
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Step up a level
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TMUA-P1-MNUM-005
What is the lowest common multiple (LCM) of 12, 18 and 20?
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Browse more

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Keep practising

Same topic · same level

P1M-NumLevel 1

TMUA-P1-MNUM-001

What is the highest common factor (HCF) of 36 and 54?

Number

Open TMUA-P1-MNUM-001 →

Same trap: percentages

P1M-NumLevel 1

TMUA-P1-MNUM-024

A price of 80 is increased by 25\%. What is the new price?

Number

Open TMUA-P1-MNUM-024 →

Step up a level

P1M-NumLevel 2

TMUA-P1-MNUM-005

What is the lowest common multiple (LCM) of 12, 18 and 20?

Number

Open TMUA-P1-MNUM-005 →

TMUA-P1-MNUM-003 — Paper P1 · Number · Level 1

Options

Keep practising

Master Number

TMUA-P1-MNUM-003 — Paper P1 · Number · Level 1

Options

Keep practising

Master Number