Question

Q. 5 Do as directed.

1. 12x³ ÷ 4x³ = _________ (1)

2. Area of a triangle = _________ (1)

3. If : 4 : : 5 : 2 ∴ = ____________ (1)

4. If 448B is a multiple of 3, then B = _________ (1)

5. Find the area of a circle having diameter 21 cm. (2)

6. Ajit can ride a scooter constantly at a speed of 30 kms/hour. (4)

Draw a time-distance graph for this situation. Use it to find

(i) the time taken by Ajit to ride 75 km.

(ii) the distance covered by Ajit in 31

2

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Answer 1

Step-by-step explanation:

1)12/4=3

2)1/2×b×h

3)2.5

4)b=3

5) 22/7×21/2×21/2

=346.5