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7th Mathematics Model Exam - 2

St. Britto Hr. Sec. School - Madurai

7th Mathematics Model Exam - 2-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

The temperature at 12 noon at a certain place was 18° above zero. If it decreases at the rate of 3° per hour at what time it would be 12° below zero?

12 mid night
12 noon
10 am
10 pm

If Mani buys 5kg of potatoes for Rs.75 then he can buy ______kg of potatoes for Rs.105.
6

7

8

5
The generalization of the number pattern 3, 6, 9, 12,… is
n

2n

3n

4n

A line which intersects two or more lines in different points is known as

parallel lines
transversal
non-parallel lines
intersecting line

The area of a parallelogram whose base 10 m and height 7 m is

70 sq. m
35 sq. m
7 sq. m
10 sq. m

The area of the rhombus is 128 sq. cm and the length of one diagonal is 32 cm. The length of the other diagonal is

12 cm
8 cm
4 cm
20 cm

(-2)×−(-9)=_____

108
-108
+1
-1

An algebraic statement which is equivalent to the verbal statement “Three times the sum of x and y” is

3(x + y)
3 + x + y
3x + y
3 + xy

Adjacent angles have

no common interior, no common arm, no common vertex
one common vertex, one common arm, common interior
one common arm, one common vertex, no common interior
one common arm, no common vertex, no common interior

The base of the parallelogram with area is 52 sq. cm and height 4 cm is

48 cm
104 cm
13 cm
26 cm

(-8)+10+(-2)=____

2
8
0
20

when the non-parallel sides of a trapezium are equal then it is known as

a square
a rectangle
an isosceles trapezium
a parallelogram

The equation y + 1 = 0 is true only when y is

0
-1
1
-2

An aircraft can accommodate 280 people in 2 trips. It can take ______trips to take 1400 people.

8
10
9
12

(−200)÷10is

20
-20
-190
210

When we subtract ‘a’ from ‘-a’, we get _______

0
2a
-2a
-a

Which of the following statements is ALWAYS TRUE when parallel lines are cut by a transversal

corresponding angles supplementary.
alternate interior angles supplementary.
alternate exterior angles supplementary.
interior angles on the same side of the transversal are supplementary.

The area of the trapezium, if the parallel sides are measuring 8 cm and 10 cm and the height 5 cm is

45 sq. cm
40 sq. cm
18 sq. cm
50 sq. cm

The height of the rhombus whose area 96 sq. m and side 24 m is

8 m
10 m
2 m
4 m

35 cycles were produced in 5 days by a company then______ cycles will be produced in 21 days

150
70
100
147

Which of the following does not represent an Integer?

0÷(-7)
20÷(−4)
(-9)÷3
(12)÷5

Part - B

Generic 2 - Answer All Question

Add:
(i) 8x, 3x
(ii) 7mn, 5mn
(iii) −9y, 11y, 2y

The angles at a point are x°, 2x°, 3x°, 4x° and 5x°. Find the value of the largest angle?

Add 2 to me. Then multiply by 5 and subtract 10 and divide now by 4 and I will give you 15! Who am I?

Neelaveni goes by bi-cycle to her school every day. Her average speed is 12km/hr and she reaches school in 20 minutes. What is the increase in speed, if she reaches the school in 15 minutes?

6 pumps are required to fill a water sump in 1 hr 30 minutes. What will be the time taken to fill the sump if one pump is switched off?

There are six angles at a point. One of them is 45° and the other five angles are all equal. What is the measure of all the five angles?

Find the sum of the following expressions
(i) 7p + 6q, 5p − q, q + 16p
(ii) a + 5b + 7c, 2a + 10b + 9c
(iii) mn + t, 2mn − 2t, − 3t + 3mn
(iv) u + v, u − v, 2u + 5v, 2u − 5v.
(v) 5xyz − 3xy, 3zxy − 5yx

The area of a trapezium is 180 sq. cm and its height is 9 cm. If one of the parallel sides is longer than the other by 6 cm, find the length of the parallel sides.

What number should be added to (–17) to get (–19)?

If 30 men can reap a field in 15 days, then in how many days can 20 men reap the same field? (using unitary method)

Part - C

Generic 3 - Answer All Question

Divide: (i) (−85) by 5 (ii) (–250) by (–25) (iii) 120 by (–6) (iv) 182 by (–2)

Anbu bought 2 notebooks for ` 24. How much money will be needed to buy 9 such notebooks?

Identify the variables, terms and number of terms in each of the following expressions: (i)12 −x
(ii) 7 + 2y
(iii) 29+3x+5y
(iv) 3x–5+7z

Add the following integers using number line (i) 10 and –15 (ii) –7 and –9

A cricket team won two matches more than they lost. If they win they get 5 points and for loss -3 points, how many matches have they played if their total score is 50.

In a competitive exam 4 marks are given for every correct answer and (-2) marks are given for every incorrect answer, kalaivizhi attended the exam and answered all the questions and scored 20 marks only even though she got 10 correct answers. How many questions did she answer incorrectly?

(i) Are 120 + 51 and 51 + 120 equal?
(ii) Are(-5)+[(-4)+(-3)] and [(-5)+(-4)]+(-3)equal?

Construct a perpendicular bisector of the line segment AB = 6 cm.

In an examination, a student scores 4 marks for every correct answer and loses one mark for every wrong answer. If he answers 60 questions in all and gets 130 marks, find the number of questions he answered correctly.

Find two consecutive natural numbers whose sum is 75.

Part - D

Generic 5 - Answer All Question

If the area of the rhombus is 60 sq. cm and one of the diagonals is 8 cm, find the length of the other diagonal.
Prove that [(–2) × 3] ×(–4) = (–2) ×[3×(–4)].

Construct bisector of the ∠ABC with the measure 80°.

60 workers can spin a bale of cotton in 7 days. In how many days will 42 workers spin it?

The cost of 1 box of tomato is ` 200. Vendan had money to buy 13 boxes. If the cost of the box is increased to ` 260 then how many boxes will he buy with the same amount?

The temperature at Srinagar was −3°C on Friday. If the temperature decreases by 1°C next day, then what is the temperature on that day?

What is the balance in Chezhiyan’s account as a result of a purchase for ₹ 1079, if he had an opening balance of ₹ 5000 in his account?

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