Question

1)A boy started his journey from the Bird House. First he walked 1 unit towards North, then 4 units towards West followed by 5 units towards North and then 3 units towards East. Where did the boy reach? If the boy covers 5 m in 6 seconds, then how much time he will take to reach the spot if he walks with the constant speed?
2)The cost of a ticket for a child is 15 Zeds and the cost of a ticket for an adult is 25 Zeds . If the total cost of tickets is 1700 Zeds, how many children were there from the school?

pls answer both the questions correctly​

Answer 1

Step-by-step explanation:

1)AnS-After first walk, the position is (

2

3

,

2

3

)

Hence he walks on y=x

After, this he walks 4 units perpendicular to y=x

Thus final position is

(

2

3−4

,

2

3+4

)

=(3+4i)(1+i)

2

1

=(3+4i)e

i

4

π

2.Ans-there were 2teacher and 110 children