Question

plz give me all answers in this question and plz do fast ​

Answer 1

Answer:

1. Price of 12 bananas = 40rs.

Price of 1 banana = 40 ÷ 12

= 3.3rs.

So ,

The Cost of 16 bananas => 3.3 × 16

= 52.8 rs.

2. Numbers given = 14 , 6 , 10 , 14

Average = Sum of numbers given

----------------------------------------------

Frequency of Numbers

= 14 + 6 + 10 + 14

--------------------------------

4

= 44.

--------- = 11

4

:• The Average of Given numbers is 11.

3. a) Length of Rectangle = 20 cm

Breadth of Rectangle = 15 cm

Area = 2×(L+B)

= 2×(20+15)

= 2×35

= 70 cm

b) Length of Rectangle = 10 cm

Breadth of Rectangle = 6 cm

Area = 2×(L+B)

= 2×(10+6)

= 2×16

= 32cm

4. a) Side of square given = 10cm

Area = 4 × S

= 4 × 10

= 40cm

b) Side of Square given = 42cm

Area = 4 × S

= 4 × 42

= 84cm

5. a) 8mm into cm

1 cm = 10mm

8 mm = 0.8cm

b) 0.555kg into g

1 kg = 1000g

0.555kg × 1000

= 555g

6.a) 1235 ml into litre

1 litre = 1000ml

1235ml = 1235 ÷ 1000

= 1.235 ml

b) 0.005 km into metre

1km = 1000m

0.005km = 0.005 × 1000

= 5m

7. Do it using protractor on notebook.

8. a) This is a triangle

b) This is a rectangle

9. a) 3.4 × 6

= 20.4

b) 28.2 × 1000

= 28200

10. a) 45/10

= 4.5

b) 4 6/5

= 26/5

= 5.2

Step-by-step explanation:

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