PROVINCIAL WESTERN PROVINCE THIRD TERM TEST - 2019 MATHEMATICS - I

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PROVINCIAL DEPARTMENT OF EDUCATION NORTH WESTERN PROVINCE

THIRD TERM TEST - 2019

Grade 10

MATHEMATICS - I

Two Hours

Name / Index No. :

? Answer all questions on this paper itself. ? Each questions carries two marks in Part A and 10 marks for each questions in Part B.

PART - A

01' If 4.2 x 4.2 = 17.64 and 4.3 x 4.3 = 18.49, find the value of 18 , to the first approximation.

02' If custom duty of 40% is charged when an electric equipment worth Rs. 15 000 is imported, find the amount has to be paid as duty.

03' According to the venn diagram, write the set of A/? B . A

e

14 6

2

B

35 7

8

9

04' Write lg 7 = 0.8451 in index form.

05' A sector OAB which was cut from a circle with centre O is given in the diagram. Find the circumference of the circle which it was cutting down.

450 O

A 22cm B

06' Find the value of 'a' .

450 750

a

01

07' The mean of the deviation of a frequency distribution is -3 and its assumed mean is 85. Find the actual mean of the frequency distribution.

08' Simplify,

11 -

2x 5x

09' In an arithmatic progression the first term is 3 and the common difference is 2. If its last term is 31, find the number of terms in the progression.

10' Write 2 positive integers which satisfy the inequality of 2x - 4 < 1.

11' X, Y and Z are the three points on the circle with centre O. According to the given data, find the value of 'a'.

X

Z a

500

O

Y

12' Put '? ' mark in front of each correct statement and '? ' mark in front of each incorrect statement. ? Diagonals of a parallelogram are equal in length. ? In any parallelogram, opposite angles are supplementary. ? In a rhombus all the sides are equal in length.

13' Find the value of AC^B.

D 500 A

C

B

02

14' If the gradient of the given straight line is 3, write its equation

in the form of y = mx + c.

y

(0, 2) x

15' Factorize. a2 - 2a - 15

16' In the triangle PQR, the bisector of Q^PR is PS. If PS QR.

Q

Write the case of congruency of the triangles PQS and PRS.

P

S

R

17' Without solving the following simultaneous equations, find the value of x + y. 3x - y = 2 x + 5y = 10

18' The centre of the given circle is O. Find the value of BC^O.

C

A

1100

O

B

19' The volume of a triangular prism is 450cm3. If the area of the triangular face of it is 30cm2, find the length of the prism.

03

20' Find the L.C.M. of following algebraic terms, 2x, 3x2, xy

21' AB is a chord of the given circle. OX is the perpendicular drawn to AB. If AB = 16cm and OX = 6cm, find the radius of the circle.

A

O

X

B

22' The speed of a vehicle is 54 kmh-1. Find the speed of it in ms-1.

23' In a parcel there are orange flavored toffees and strawberry flavored toffees. Out of them 7 are orange flavored. When taking a toffee from the parcel randomly, the probability of obtaining an orange flavored toffee is 1 . Find the number of strawberry flavored toffees in the parcel. 3

24' Two men complete a certain task within a day. Three women complete the same task within a day. Find the number of days needed for 4 men to complete the task which completed by 5 women during 6 days.

25' In the trapezium shaped sheet ABCD, BY = 8cm. There is a hole such that 8cm away from AB and equaidistance from the edges of AB and AD. Using the knoweldge of loci, find the location of the hole and name it as P.

D X

A

04

C Y 8cm B

Grade 10

^01& (a) Simplify.

31 2

(i)

+x 55 3

PART - B

Mathematics - I

13 3

(ii)

2 of ? 25 8

(b) Amaya ate 3 of chocolate balls from a parcel received on her birthday. She 8

gave0020 of the remaining to his grand father and rest for her mother. 5

(i) Find the number of chocolate balls received by her grand father, as a fraction of total number of chocolate balls.

(ii) If the number of chocolate balls received by her mother is 6, find the total number of chocolate balls in the parcel at the beginning.

^02& (a)

A semicircular pond is situated outside of the

rectangular cropland ABCD as shown in the

figure. D

(i) Find the radius of the pond.

(ii) Find the perimeter of the cropland

including the pond.

A

E C 21m

28m

B

05

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