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ITSE Class 3 — Mathematics Practice Set 1

45 प्रश्न60 मिनट +4 / -1 अंकनकुल 180 अंक
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शेष समय60:000/45 हल
1A parking board shows the picture below (scale: one car picture = 500 vehicles). What is the strength (total capacity) of the parking place?
प्रश्न 1 का चित्र
व्याख्या

Count the pictures: 2 + 3 + 3 = 8. Each picture stands for 500 vehicles, so 8 × 500 = 4000.

स्रोत: ITSE Class 3 Practice — Set 1

2What should be added to 800 gms to make it equal to 1 kg?
व्याख्या

1 kg = 1000 g. 1000 − 800 = 200 g.

स्रोत: ITSE Class 3 Practice — Set 1

3How many triangles are there in the figure below?
प्रश्न 3 का चित्र
व्याख्या

There are 4 small triangles (one on each side of the centre) and 4 bigger triangles formed by joining two small ones (half of the square on each diagonal) — 8 in all.

स्रोत: ITSE Class 3 Practice — Set 1

4How many angles are there in the figure below?
प्रश्न 4 का चित्र
व्याख्या

The figure is a hexagon. A hexagon has 6 sides and 6 angles.

स्रोत: ITSE Class 3 Practice — Set 1

5Evaluate: 15+4−(28−7)
व्याख्या

15 + 4 = 19 and 28 − 7 = 21. 19 − 21 = −2.

स्रोत: ITSE Class 3 Practice — Set 1

6Subtract: 1 − 1/2
व्याख्या

1 − 1/2 = 2/2 − 1/2 = 1/2.

स्रोत: ITSE Class 3 Practice — Set 1

7Inverse process of addition is:
व्याख्या

Subtraction undoes addition, so it is the inverse process.

स्रोत: ITSE Class 3 Practice — Set 1

8What is the difference of place and face value of 4 in the number, 3451?
व्याख्या

Place value of 4 in 3451 is 400; face value is 4. 400 − 4 = 396.

स्रोत: ITSE Class 3 Practice — Set 1

925−5=[]−5
व्याख्या

25 − 5 = 20, and 25 − 5 = 20, so the box is 25.

स्रोत: ITSE Class 3 Practice — Set 1

10There are 100 paise in a rupee. How many paise are there in Rs. 5?
व्याख्या

1 rupee = 100 paise, so Rs. 5 = 5 × 100 = 500 paise.

स्रोत: ITSE Class 3 Practice — Set 1

11The sum of greatest two digit number and smallest one digit number is:
व्याख्या

Greatest two-digit number = 99, smallest one-digit number = 1. 99 + 1 = 100.

स्रोत: ITSE Class 3 Practice — Set 1

12Place 108 mangoes into 12 boxes. How many mangoes do each box contain?
व्याख्या

108 ÷ 12 = 9 mangoes in each box.

स्रोत: ITSE Class 3 Practice — Set 1

13Simplify: 100−10−(100−10)
व्याख्या

100 − 10 = 90 and (100 − 10) = 90. 90 − 90 = 0.

स्रोत: ITSE Class 3 Practice — Set 1

14What will be the total amount of three chairs and two tables if the cost of one chair and one table are Rs. 230 and Rs. 300 respectively?
व्याख्या

3 chairs = 3 × 230 = 690; 2 tables = 2 × 300 = 600. Total = 690 + 600 = Rs. 1290.

स्रोत: ITSE Class 3 Practice — Set 1

15What is the total weight of 510 grams of vegetables, 234 grams of curd and 120 grams of sugar?
व्याख्या

510 + 234 + 120 = 864 grams.

स्रोत: ITSE Class 3 Practice — Set 1

16All the blocks are identical. The height of the standing boy is 126 cm. Find the height of the tree.
प्रश्न 16 का चित्र
व्याख्या

The boy is as tall as 3 blocks, so 1 block = 126 ÷ 3 = 42 cm. The tree is as tall as 4 blocks: 4 × 42 = 168 cm.

स्रोत: ITSE Class 3 Practice — Set 1

17Alex planted some trees along a straight road. Each tree was 4 m apart. If the distance between the first tree and the last tree is 40 m, how many trees did he plant?
व्याख्या

Number of gaps = 40 ÷ 4 = 10. With a tree at both ends, trees = 10 + 1 = 11.

स्रोत: ITSE Class 3 Practice — Set 1

18The difference between 450 and [?] is 339. What is the number in the box?
व्याख्या

450 − 339 = 111.

स्रोत: ITSE Class 3 Practice — Set 1

19The value of ▲ is 4 times the value of ■. What is the value of ▲, if ■ − 37 = 55?
व्याख्या

■ − 37 = 55, so ■ = 55 + 37 = 92. Then ▲ = 4 × 92 = 368.

स्रोत: ITSE Class 3 Practice — Set 1

20To follow the arrowhead how many different ways are there for the cat to reach its kittens?
प्रश्न 20 का चित्र
व्याख्या

Following the arrows, the cat can go: (1) along the bottom all the way, (2) bottom then up and across the top, (3) up first and across the top. That is 3 ways.

स्रोत: ITSE Class 3 Practice — Set 1

21The product of group of numbers A and B with a number C is same as the another group of A and C with B. Which one of the following is correct about the above statement?
व्याख्या

Changing the order of multiplication does not change the product: (A×B)×C = (A×C)×B.

स्रोत: ITSE Class 3 Practice — Set 1

228 calendars were distributed in each of 10 factories. How many calendars were distributed in all?
व्याख्या

8 × 10 = 80 calendars.

स्रोत: ITSE Class 3 Practice — Set 1

23How many edges are there in the figure given below?
प्रश्न 23 का चित्र
व्याख्या

The figure is a cube. A cube has 12 edges.

स्रोत: ITSE Class 3 Practice — Set 1

24Consider the following statements: Statement 1: A line has a fixed length it cannot be extended. Statement 2: A ray does not have fixed length it can be extended in one direction. Which one of the following is correct about the above statements?
व्याख्या

A line has no fixed length and extends both ways, so statement 1 is false. A ray starts at a point and goes on in one direction, so statement 2 is true.

स्रोत: ITSE Class 3 Practice — Set 1

25In an area there are 560 people having bicycles and 450 people having motor cycles. How many people do not have either bicycles or motor cycles, if survey was held among 2000 people?
व्याख्या

People with a bicycle or motorcycle = 560 + 450 = 1010. 2000 − 1010 = 990.

स्रोत: ITSE Class 3 Practice — Set 1

26The length of a tube is 100 centimetre. What will be the length of its 100th part in millimetre?
व्याख्या

100 cm = 1000 mm. One hundredth part = 1000 ÷ 100 = 10 mm.

स्रोत: ITSE Class 3 Practice — Set 1

27The height of a mobile tower is 225 m 56 cm. Which one of the following is equal to the length of the tower in decimal number?
व्याख्या

56 cm = 0.56 m, so 225 m 56 cm = 225.56 m.

स्रोत: ITSE Class 3 Practice — Set 1

28There are 12 small figures in a big plane figure below. How many such big figures will contain 144 small figures?
प्रश्न 28 का चित्र
व्याख्या

Each big figure has 12 small figures. 144 ÷ 12 = 12 big figures.

स्रोत: ITSE Class 3 Practice — Set 1

29The sum of three equal numbers is A. Which one of the following is the value of each number?
व्याख्या

Three equal numbers add up to A, so each number is A ÷ 3.

स्रोत: ITSE Class 3 Practice — Set 1

30How many coins do you get on converting Rs. 112 into 20 paise coins?
व्याख्या

Rs. 1 = 100 paise = 5 coins of 20 paise. So Rs. 112 = 112 × 5 = 560 coins.

स्रोत: ITSE Class 3 Practice — Set 1

31Divide: Rs. 680.60 into 6 equal parts.
व्याख्या

680.60 ÷ 6 = 113.43 (rounded to paise).

स्रोत: ITSE Class 3 Practice — Set 1

32Two machines can do a work in 5 hours and two workers can do the same work in 80 days working 8 hours in a day. Who is faster by how much?
व्याख्या

Machines take 5 hours. Workers take 80 × 8 = 640 hours. 640 − 5 = 635, so the machine is faster by 635 hours.

स्रोत: ITSE Class 3 Practice — Set 1

33What time is shown by the clock in the given figure?
प्रश्न 33 का चित्र
व्याख्या

The hour hand is just past 10 and the minute hand points at 2 (10 minutes). The time is 10:10.

स्रोत: ITSE Class 3 Practice — Set 1

34Mariam has a necklace. It contains 50 equal silver coins in which one silver coin is gold coloured. Which one of the following parts of necklace is gold coloured?
व्याख्या

1 coin out of 50 is gold coloured, so the part is 1/50.

स्रोत: ITSE Class 3 Practice — Set 1

35There are 57 rows of chairs in a cinema hall and each row contains 67 chairs. How many people will sit in the cinema hall?
व्याख्या

57 × 67 = 3819.

स्रोत: ITSE Class 3 Practice — Set 1

3650 kg of fishes are required for a marriage party. How much money is paid at the rate of Rs. 82 per kg?
व्याख्या

50 × 82 = Rs. 4100.

स्रोत: ITSE Class 3 Practice — Set 1

37Subtract the following:(7x−x)−2x.
व्याख्या

7x − x = 6x, and 6x − 2x = 4x.

स्रोत: ITSE Class 3 Practice — Set 1

38If x = 1 and y = 2, find the value of 2x+3y.
व्याख्या

2x + 3y = 2 × 1 + 3 × 2 = 2 + 6 = 8.

स्रोत: ITSE Class 3 Practice — Set 1

39Find the value of x from: 9+15=15+x.
व्याख्या

9 + 15 = 15 + x, so x = 9 (order of adding does not change the sum).

स्रोत: ITSE Class 3 Practice — Set 1

40Consider the following two statements: Statement 1: The addition of two even numbers is not always an even number. Statement 2: The addition of two even numbers is always an even number. Which one of the following is correct about the above statements?
व्याख्या

Even + even is always even (e.g. 4 + 6 = 10), so statement 1 is false and statement 2 is true.

स्रोत: ITSE Class 3 Practice — Set 1

41How many odd numbers are there between 1 to 100?
व्याख्या

Odd numbers from 1 to 99: 1, 3, 5, …, 99 — there are 50 of them.

स्रोत: ITSE Class 3 Practice — Set 1

42Sides of the following figure are equal. Which one of the following types of triangle is formed on dividing the figure through its diagonal?
प्रश्न 42 का चित्र
व्याख्या

As the figure has equal sides (a square), one diagonal splits it into two isosceles right-angled triangles.

स्रोत: ITSE Class 3 Practice — Set 1

43The total length of all three sides of a triangle is 57 cm. If the sum of two equal sides is the twice of third side then the triangle is a/an?
व्याख्या

If the two equal sides add up to twice the third side, each equal side equals the third side, so all three sides are equal (19 cm each).

स्रोत: ITSE Class 3 Practice — Set 1

44How many lines are possible between two points?
व्याख्या

Exactly one straight line passes through two points.

स्रोत: ITSE Class 3 Practice — Set 1

45Consider the following statements: Statement: 1. Through a point A infinite lines can be drawn. Statement: 2. Through a point A maximum 100 lines can be drawn. Which one of the following is correct about the above statements?
व्याख्या

Infinitely many lines can pass through a single point, so statement 1 is true and statement 2 is false.

स्रोत: ITSE Class 3 Practice — Set 1