7th Mathematics Important 2 Mark Question Paper

St. Britto Hr. Sec. School - Madurai

7th Mathematics Important 2 Mark Question Paper-Aug 2020

Time : 1.30 Hours

Part - A

Generic 2 - Answer All Question

Thenmalar appeared for competitive exam which has negative scoring of 1 mark for each incorrect answer. In paper I she answered 25 questions incorrectly and in paper II, 13 questions incorrectly. Find the total reduction of marks.

Add: 2a+b+3c and a+\(\frac { 1 }{ 3 } b+\frac { 2 }{ 5 } \)c

If the cost of 7kg of onions is Rs.84 find the following
(i) Weight of the onions bought for Rs.180
(ii) The cost of 3 kg of onions

What will be the sign of the product of the following.
(i)16 times of negative integer.
(ii)29 times of negative integer

Subtract:
(i) 4k from 12k
(ii) 15q from 25q
(iii) 7xyz from 17xyz.

A ground is in the shape of parallelogram. The height of the parallelogram is 14 metres and the corresponding base is 8 metres longer than its height. Find the cost of levelling the ground at the rate of ` 15 per sq. m.

Two angles are in the ratio 11: 25. If they are linear pair, find the angles.

If the three angles at a point are in the ratio 1 : 4 : 7, find the value of each angle?

Check the following for equality and if they are equal, mention the property.
(i) (8-13)×7and 9-(13×7)
(ii) [(-6)-(+8)]×(−4) and (-6)-[8(−4)]
(iii)3×[(-4)+(-10)]and[3×(-4)+3×(-10)]

Janaki has a piece of fabric in the shape of a parallelogram. Its height is 12 m and its base is 18 m. She cuts the fabric into four equal parallelograms by cutting the parallel sides through its mid-points. Find the area of each new parallelogram

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

A person lost 4800 calories in 30 days. If the calory loss is uniform, calculate the loss of calory per day.

The area of a trapezium is 1080 sq. cm. If the lengths of its parallel sides are
55.6 cm and 34.4 cm, find the distance between them.

One angle of a linear pair is a right angle. What can you say about the other angle?

Add the following
(i) 8 and –12 using number line
(ii) (–3) and (–5) using number line
(iii) (-100+(-10)
(iv) 20+(-72)
(V) 82+(-75)
(VI) -48+(-15)
(VII) -225+(-63)

(-400) divided into 10 equal parts gives _____.

What should be subtracted from 2m + 8n + 10 to get −3m + 7n + 16?

What should be added to 3x + 6y to get 5x + 8y?

A truck requires 108 liters of diesel for covering a distance of 594km. How much diesel will be required to cover a distance of 1650km?

If C = kd,
(i) what is the relation between C and d?
(ii) find k when C = 30 and d = 6
(iii) find C, when d = 10

Find two consecutive odd numbers whose sum is 200.

Cost of 105 notebooks is Rs.2415. How many notebooks can be bought for Rs.1863?

A window is in the form of trapezium whose parallel sides are 105 cm and 50 cm respectively and the distance between the parallel sides is 60 cm. Find the cost of the glass used to cover the window at the rate of ` 15 per 100 sq. cm.

Find all possible pairs of integers that give a product of −50.

A square and a parallelogram have the same area. If the side of the square is
48 m and the height of the parallelogram is 18 m, find the length of the base of the parallelogram

An atom can contain protons which have a positive charge (+) and electrons which have a negative charge (-). When an electron and a proton pair up, they become neutral (0) and cancel the charge out. Now, Determine the net charge
(i) 5 electrons and 3 protons \(\rightarrow \) -5+=-2 that is electrons u229du229d
(ii) 6 Protons and 6 electrons \(\rightarrow \)
(iii) 9 protons and 12 electrons \(\rightarrow \)
(iv) 4 protons and 8 electrons \(\rightarrow \)
(v) 7 protons and 6 electrons \(\rightarrow \)

One of the diagonals of a rhombus is thrice as the other. If the sum of the length of the diagonals is 24 cm, then find the area of the rhombus

Kabilan was having 10 pencils with him. He gave 2 pencils to Senthil and 3 to Karthik. Next day his father gave him 6 more pencils, from that he gave 8 to his sister. How many pencils are left with him?

Given 168×32=5376 then, find(−5376)÷(-32).

The area of the rhombus is 576 sq. cm and the length of one of its diagonal is half of the length of the other diagonal then find the length of the diagonals

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7th Mathematics Important 2 Mark Question Paper

St. Britto Hr. Sec. School - Madurai

7th Mathematics Important 2 Mark Question Paper-Aug 2020

Part - A

Generic 2 - Answer All Question

Thenmalar appeared for competitive exam which has negative scoring of 1 mark for each incorrect answer. In paper I she answered 25 questions incorrectly and in paper II, 13 questions incorrectly. Find the total reduction of marks.

Add: 2a+b+3c and a+\(\frac { 1 }{ 3 } b+\frac { 2 }{ 5 } \)c

If the cost of 7kg of onions is Rs.84 find the following (i) Weight of the onions bought for Rs.180 (ii) The cost of 3 kg of onions

What will be the sign of the product of the following. (i)16 times of negative integer. (ii)29 times of negative integer

Subtract: (i) 4k from 12k (ii) 15q from 25q (iii) 7xyz from 17xyz.

A ground is in the shape of parallelogram. The height of the parallelogram is 14 metres and the corresponding base is 8 metres longer than its height. Find the cost of levelling the ground at the rate of ` 15 per sq. m.

Two angles are in the ratio 11: 25. If they are linear pair, find the angles.

If the three angles at a point are in the ratio 1 : 4 : 7, find the value of each angle?

Check the following for equality and if they are equal, mention the property. (i) (8-13)×7and 9-(13×7) (ii) [(-6)-(+8)]×(−4) and (-6)-[8(−4)] (iii)3×[(-4)+(-10)]and[3×(-4)+3×(-10)]

Janaki has a piece of fabric in the shape of a parallelogram. Its height is 12 m and its base is 18 m. She cuts the fabric into four equal parallelograms by cutting the parallel sides through its mid-points. Find the area of each new parallelogram

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

A person lost 4800 calories in 30 days. If the calory loss is uniform, calculate the loss of calory per day.

The area of a trapezium is 1080 sq. cm. If the lengths of its parallel sides are 55.6 cm and 34.4 cm, find the distance between them.

One angle of a linear pair is a right angle. What can you say about the other angle?

Add the following (i) 8 and –12 using number line (ii) (–3) and (–5) using number line (iii) (-100+(-10) (iv) 20+(-72) (V) 82+(-75) (VI) -48+(-15) (VII) -225+(-63)

(-400) divided into 10 equal parts gives _____.

What should be subtracted from 2m + 8n + 10 to get −3m + 7n + 16?

What should be added to 3x + 6y to get 5x + 8y?

A truck requires 108 liters of diesel for covering a distance of 594km. How much diesel will be required to cover a distance of 1650km?

If C = kd, (i) what is the relation between C and d? (ii) find k when C = 30 and d = 6 (iii) find C, when d = 10

Find two consecutive odd numbers whose sum is 200.

Cost of 105 notebooks is Rs.2415. How many notebooks can be bought for Rs.1863?

A window is in the form of trapezium whose parallel sides are 105 cm and 50 cm respectively and the distance between the parallel sides is 60 cm. Find the cost of the glass used to cover the window at the rate of ` 15 per 100 sq. cm.

Find all possible pairs of integers that give a product of −50.

A square and a parallelogram have the same area. If the side of the square is 48 m and the height of the parallelogram is 18 m, find the length of the base of the parallelogram

One of the diagonals of a rhombus is thrice as the other. If the sum of the length of the diagonals is 24 cm, then find the area of the rhombus

Kabilan was having 10 pencils with him. He gave 2 pencils to Senthil and 3 to Karthik. Next day his father gave him 6 more pencils, from that he gave 8 to his sister. How many pencils are left with him?

Given 168×32=5376 then, find(−5376)÷(-32).

The area of the rhombus is 576 sq. cm and the length of one of its diagonal is half of the length of the other diagonal then find the length of the diagonals

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If the cost of 7kg of onions is Rs.84 find the following
(i) Weight of the onions bought for Rs.180
(ii) The cost of 3 kg of onions

What will be the sign of the product of the following.
(i)16 times of negative integer.
(ii)29 times of negative integer

Subtract:
(i) 4k from 12k
(ii) 15q from 25q
(iii) 7xyz from 17xyz.

Check the following for equality and if they are equal, mention the property.
(i) (8-13)×7and 9-(13×7)
(ii) [(-6)-(+8)]×(−4) and (-6)-[8(−4)]
(iii)3×[(-4)+(-10)]and[3×(-4)+3×(-10)]

The area of a trapezium is 1080 sq. cm. If the lengths of its parallel sides are
55.6 cm and 34.4 cm, find the distance between them.

Add the following
(i) 8 and –12 using number line
(ii) (–3) and (–5) using number line
(iii) (-100+(-10)
(iv) 20+(-72)
(V) 82+(-75)
(VI) -48+(-15)
(VII) -225+(-63)

If C = kd,
(i) what is the relation between C and d?
(ii) find k when C = 30 and d = 6
(iii) find C, when d = 10

A square and a parallelogram have the same area. If the side of the square is
48 m and the height of the parallelogram is 18 m, find the length of the base of the parallelogram