Hardest Questions

# Difficulty Board Module Year Q Marks Topic Preview
1 Hard +2.3 AQA Further Paper 2 2021 Q11 9 Vectors: Lines & Planes The Cartesian equation of the line $L _ { 1 }$ is $$\frac { x + 1 } { 3 } = \fr...
2 Hard +2.3 AQA Further Paper 2 2020 Q14 11 Polar coordinates The diagram shows the polar curve $C _ { 1 }$ with equation $r = 2 \sin \theta$ ...
3 Hard +2.3 Edexcel AEA 2018 Q7 27 Parametric equations 7. \begin{figure}[h] \begin{center} \includegraphics[alt={},max width=\textwi...
4 Hard +2.3 Edexcel AEA 2024 Q7 24 Circles 7. \begin{figure}[h] \begin{center} \includegraphics[alt={},max width=\textwi...
5 Hard +2.3 Edexcel AEA 2024 Q6 18 Newton's laws and connected particles 6. \begin{figure}[h] \begin{center} \includegraphics[alt={},max width=\textwi...
6 Hard +2.3 OCR Further Mechanics 2018 Q8 16 Momentum and Collisions 1 A point $O$ is situated a distance $h$ above a smooth horizontal plane, and a pa...
7 Hard +2.3 OCR FM1 AS 2018 Q6 9 Circular Motion 2 A fairground game involves a player kicking a ball, $B$, from rest so as to proj...
8 Hard +2.3 OCR Further Additional Pure 2018 Q4 12 Number Theory (i) (a) Find all the quadratic residues modulo 11.\\ (b) Prove that the equation...
9 Hard +2.3 OCR Further Additional Pure 2019 Q8 11 Number Theory In this question you must show detailed reasoning. (a) Prove that $2 ( p - 2 ) ^...
10 Hard +2.3 Edexcel AEA 2007 Q6 17 Differentiation Applications (a) Find an expression, in terms of $x$, for the area $A$ of $R$.\\ (b) Show tha...
11 Hard +2.3 Edexcel AEA 2012 Q7 24 Trig Graphs & Exact Values 7. $\left[ \arccos x \right.$ and $\arctan x$ are alternative notation for $\cos...
12 Hard +2.3 Edexcel M5 2015 Q7 12 Moments of inertia 7. (a) Find, using integration, the moment of inertia of a uniform solid hemisph...
13 Hard +2.3 Edexcel M5 2013 Q4 13 Moments of inertia 4. Show, using integration, that the moment of inertia of a uniform solid right ...
14 Hard +2.3 OCR Further Additional Pure Q9 14 Number Theory (i) (a) Prove that $p \equiv \pm 1 ( \bmod 6 )$ for all primes $p > 3$.\\ (b) He...
15 Hard +2.3 OCR Further Additional Pure 2021 Q8 12 Number Theory (a) Solve the second-order recurrence system $\mathrm { H } _ { \mathrm { n } + ...
16 Hard +2.3 OCR Further Additional Pure 2023 Q4 7 Sequences and Series The sequence $\left\{ A _ { n } \right\}$ is given for all integers $n \geqslant...
17 Hard +2.3 CAIE FP2 2013 Q11 EITHER Simple Harmonic Motion \begin{center} \includegraphics[max width=\textwidth, alt={}]{38694ab3-44cd-48d1...
18 Hard +2.3 CAIE FP2 2015 Q11 EITHER Moments of inertia \begin{center} \includegraphics[max width=\textwidth, alt={}]{eb3dccaf-d151-472d...
19 Hard +2.3 CAIE FP2 2015 Q11 EITHER Moments of inertia \begin{center} \includegraphics[max width=\textwidth, alt={}]{baea9836-ea05-442f...
20 Hard +2.3 CAIE FP1 2018 Q11 OR Groups Let $V$ be the subspace of $\mathbb { R } ^ { 4 }$ spanned by $$\mathbf { v } _...
21 Hard +2.3 Edexcel AEA 2013 Q6 16 Standard Integrals and Reverse Chain Rule 6.(a)Starting from $[ \mathrm { f } ( x ) - \lambda \mathrm { g } ( x ) ] ^ { 2 ...
22 Hard +2.3 Edexcel AEA 2013 Q5 15 First order differential equations (integrating factor) 5.In this question u and v are functions of $x$ .Given that $\int \mathrm { u } ...
23 Hard +2.3 Edexcel AEA 2012 Q3 10 Addition & Double Angle Formulae 3.The angle $\theta , 0 < \theta < \frac { \pi } { 2 }$ ,satisfies $$\tan \thet...
24 Hard +2.3 Edexcel AEA 2009 Q2 9 Differentiating Transcendental Functions 2. The curve $C$ has equation $y = x ^ { \sin x } , \quad x > 0$.\\ (a) Find the...
25 Hard +2.3 Edexcel AEA 2007 Q4 11 First order differential equations (integrating factor) 4.The function $\mathrm { h } ( x )$ has domain $\mathbb { R }$ and range $\math...
26 Hard +2.3 Edexcel AEA 2006 Q7 20 Sequences and Series 7.\\ \includegraphics[max width=\textwidth, alt={}, center]{0df09d8a-7478-4679-b...
27 Hard +2.3 Edexcel AEA 2005 Q3 9 Chain Rule 3.Given that $$\frac { \mathrm { d } } { \mathrm {~d} x } ( u \sqrt { } x ) = \...
28 Hard +2.3 Edexcel AEA 2003 Q5 17 Curve Sketching 5.The function $f$ is given by $$f ( x ) = \frac { 1 } { \lambda } \left( x ^ {...
29 Hard +2.3 Edexcel AEA 2023 Q7 15 Sequences and Series \begin{enumerate} \setcounter{enumi}{6} \item A sequence of non-zero real nu...
30 Hard +2.3 Edexcel AEA 2023 Q5 21 Conditional Probability 5. \begin{figure}[h] \begin{center} \includegraphics[alt={},max width=\textwi...
31 Hard +2.3 Edexcel AEA 2022 Q6 24 Sequences and Series 6. \begin{figure}[h] \begin{center} \includegraphics[alt={},max width=\textwi...
32 Hard +2.3 Edexcel AEA 2020 Q6 23 Integration by Substitution \begin{enumerate} \setcounter{enumi}{5} \item (a) Given that f is a function...
33 Hard +2.3 Edexcel AEA 2002 Q7 18 Trig Proofs 7.The variable $y$ is defined by $$y = \ln \left( \sec ^ { 2 } x + \operatornam...
34 Hard +2.3 Edexcel AEA 2002 Q6 18 Generalised Binomial Theorem 6.Given that the coefficients of $x , x ^ { 2 }$ and $x ^ { 4 }$ in the expansio...
35 Hard +2.3 OCR MEI S4 2016 Q1 24 Probability Generating Functions The random variable $X$ has a Cauchy distribution centred on $m$. Its probabilit...
36 Hard +2.3 OCR MEI FP3 2014 Q3 24 Sequences and Series (a) A curve has intrinsic equation $s = 2 \ln \left( \frac { \pi } { \pi - 3 \ps...
37 Hard +2.3 CAIE Further Paper 2 2024 Q8 14 Complex numbers 2 (a)By considering the binomial expansion of $\left( z + \frac { 1 } { z } \right...
38 Hard +2.3 Edexcel F2 2017 Q7 15 Polar coordinates 7. \begin{figure}[h] \begin{center} \includegraphics[alt={},max width=\textwi...
39 Hard +2.3 Edexcel F1 2017 Q8 12 Conic sections 8. The parabola $C$ has equation $y ^ { 2 } = 4 a x$, where $a$ is a positive co...
40 Hard +2.3 CAIE Further Paper 3 2024 Q6 9 Non-constant acceleration A particle $P$ of mass 2 kg moving on a horizontal straight line has displacemen...
41 Hard +2.3 CAIE Further Paper 3 2024 Q6 9 Non-constant acceleration A particle $P$ of mass 2 kg moving on a horizontal straight line has displacemen...
42 Hard +2.3 CAIE Further Paper 2 2024 Q8 14 Complex numbers 2 (a) By considering the binomial expansion of $\left( z + \frac { 1 } { z } \righ...
43 Hard +2.3 CAIE Further Paper 2 2023 Q5 10 Hyperbolic functions 5\\ \includegraphics[max width=\textwidth, alt={}, center]{1fa404d4-5e14-4356-9b...
44 Challenging +1.8 OCR Further Pure Core 2 2021 Q3 6 Polar coordinates The equation of a curve in polar coordinates is $r = \ln ( 1 + \sin \theta )$ fo...
45 Challenging +1.8 OCR Further Mechanics 2021 Q3 12 Momentum and Collisions 2 Two smooth circular discs $A$ and $B$ are moving on a horizontal plane. The mass...
46 Challenging +1.8 OCR Further Mechanics 2021 Q4 9 Momentum and Collisions Two particles $A$ and $B$, of masses $m \mathrm {~kg}$ and 1 kg respectively, ar...
47 Challenging +1.8 OCR FP1 AS 2021 Q3 7 Roots of polynomials In this question you must show detailed reasoning.\\ The cubic equation $5 x ^ {...
48 Challenging +1.8 OCR FM1 AS 2021 Q5 4 Momentum and Collisions 1 \end{gathered} > \begin{gathered} 3 u ( 1 + e ) ( 11 - 5 e ) \\ 80 \end{gathered...
49 Challenging +1.8 OCR FM1 AS 2021 Q4 12 Momentum and Collisions 1 Three particles $A , B$ and $C$ are free to move in the same straight line on a ...
50 Challenging +1.8 SPS SPS FM Pure 2023 Q8 11 Integration using inverse trig and hyperbolic functions 8. (a) Use a hyperbolic substitution and calculus to show that $$\int \frac { x...