4MA1 Mathematics A: May/June 2021 Paper 1HHigher Tier Paper 1

A plane flew from Madrid to Dubai.

The distance the plane flew was 5658 km. The flight time was 8 hours 12 minutes.

Work out the average speed of the plane.

_km/h[3]

Here are the first 4 terms of an arithmetic sequence.

Find an expression, in terms of n, for the nth term of the sequence.

[2]

The diagram shows the shape ABCDE.

The area of the shape is 91.8 cm²

Work out the value of x.

x = [4]

On a farm there are chickens, ducks and pigs.

The ratio of the number of chickens to the number of ducks is 7 : 2 The ratio of the number of ducks to the number of pigs is 5 : 9 There are 36 pigs on the farm.

Work out the number of chickens on the farm.

[3]

(a)Expand and simplify 3x(2x + 3) – x(3x + 5)

[2]

(b)Make t the subject of the formula p = at – d

[2]

Given that × ww₃ = w

(c)work out the value of n.

n = [2]

Grace has a biased 5-sided spinner.

pink

Grace is going to spin the arrow on the spinner once.

The table below gives the probabilities that the spinner will land on red or on blue or on green.

The probability that the spinner will land on orange is 3 times the probability that the spinner will land on pink.

(a)Work out the probability that the spinner will land on orange.

[3]

Grace spins the arrow on the spinner 150 times.

(b)Work out an estimate for the number of times the spinner lands on blue.

[2]

−4  2y < 6

y is an integer.

(a)Write down all the possible values of y.

[2]

(b)Solve the inequality 7t – 3  2t + 31

Show your working clearly.

[2]

The table shows the populations of five countries.

(a)Work out the difference between the population of China and the population of Germany. Give your answer in standard form.

[2]

Given that

(b)work out the value of k. Give your answer correct to the nearest whole number.

k = [2]

(a)Factorise fully 25a⁴ c⁷ d + 45a⁹ c³ h

[2]

(b)Solve (2x + 5)²= (2x + 3)(2x – 1)

x = [3]

Jethro has sat 5 tests. Each test was marked out of 100 and Jethro’s mean mark for the 5 tests is 74

Jethro has to sit one more test that is also to be marked out of 100

Jethro wants his mean mark for all 6 tests to be at least 77

Work out the least mark that Jethro needs to get for the last test.

[3]

(a)Find the value of x. Show your working clearly.

x = [2]

(11⁻⁶)⁵_n

(b)Find the value of n. Show your working clearly.

n = [2]

The diagram shows a sector of a circle with radius 7 cm.

Work out the length of the arc of the sector. Give your answer correct to one decimal place.

_cm[2]

Expand and simplify 4x(3x + 1)(2x – 3) Show your working clearly.

[3]

Here is the number of goals that Henri’s team scored one summer in each water polo match.

Find the interquartile range of the numbers of goals. Show your working clearly.

[2]

P, Q and R are points on a circle, centre O. TRV is the tangent to the circle at R.

Reflex angle POR = 238° Angle QRV = 60°

Calculate the size of angle OPQ. Give a reason for each stage of your working.

[4]

Use algebra to show that the recurring decimal 0.2813 = 5571980[2]

Using algebra, prove that, given any 3 consecutive even numbers, the difference between the square of the largest number and the square of the smallest number is always 8 times the middle number.[3]

The table and histogram give information about the distance travelled, in order to get to work, by each person working in a large store.

Using the information in the table and in the histogram,

(a)complete the table,[2]

(b)complete the histogram.[1]

One of the people working in the store is chosen at random.

(c)Work out an estimate for the probability that the distance travelled by this person, in order to get to work, was greater than 25 km.

[2]

The Venn diagram shows a universal set, E and sets A, B and C.

12, 5, 9, 10, 6, 3, 4 and 8 represent the numbers of elements.

Find

(i)n(A ∪ B)

[1]

(ii)n(Aʹ ∩ Bʹ)

[1]

(iii)n([A ∩ B] ∪ C)

[1]

P =

t = 9.7 correct to 1 decimal place

w = 5.9 correct to 1 decimal place

y = 3 correct to 1 significant figure

Calculate the upper bound for the value of P. Show your working clearly.

[3]

Given that x = 59 y + 5 and that y = 55a − 2

find an expression for x in terms of a. Give your expression as a single fraction in its simplest form.

[4]

The diagram shows a triangular prism ABCDEF with a horizontal base ABEF.

Calculate the size of the angle between AD and the base ABEF. Give your answer correct to 3 significant figures.

°[4]

The sum of the first N terms of an arithmetic series, S, is 292 The 2nd term of S is 8.5 The 5th term of S is 13

Find the value of N. Show clear algebraic working.

N = [5]

The functions f and g are defined as

(a)Find fg(2)

[2]

(b)Express the inverse function f⁻¹ in the form f⁻¹ (x) = ...

f⁻¹ (x) = [4]

The diagram shows two circles such that the region R, shown shaded in the diagram, is the region common to both circles.

One of the circles has centre O and radius 5 cm. The other circle has centre P and radius 4 cm. Angle AOB = 50°

Calculate the area of region R. Give your answer correct to 3 significant figures.

_cm²[6]

OACB is a trapezium.

OA = 2a OB = 5b AC = 3b

The diagonals, OC and AB, of the trapezium intersect at the point P. → Find and simplify an expression, in terms of a and b, for OP Show your working clearly.

OP = [5]