Question

5. Solve the following (any two)
(10)
1) The sum of the ages of Malati and her father is 49 years. Malati is 12 years old. Find out how old
is her father?
2) If the radius of a circle is 7cm, find the circumference of the circle.
3) An Aeroplane flies 4000km in 5 hours.how much distance it fly in 3hrs.
4) Represent 4x3 on the number line.
5) Construct an angle of 120 degree using compass. steps of constructions required.​

Answer 1

Answer:

Answer 1 = Let, Laxmi's age be x years

∴ Laxmi's father's age =4+3x

A.T.Q,

49=4+3x

⟹3x=49−4

⟹x=

3

45

=15

ANSWER 2 = C=2πr=2·π·7≈43.9823cm

ANSWER 3 = see the attachment

ANSWER 5 = see the attachment

Step-by-step explanation:

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