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Vaibhav Singh

· started a discussion

· 1 Months ago

Answer issue (Question: 548885.0 )

in last line of question C walks for 13m and reaches to the position of E. Therefore distance between D and C will be equal to distance between E and C because D & E are at same position (C walks for 13m and reaches to the position of E).

Question:

DIRECTIONS: Study the given information and answer the following question.

A is 20 m away from C in east direction. B is standing in south of A and is facing south direction and distance between A and B is 30 m. Now to the right of B, walking 32 m towards west, D is standing. D is eating ice-cream standing on its position and facing north. After eating ice cream D starts walking 13 m towards south direction and reaches to the position of E.

What is the distance between D and C?

Options:
A)

31m

B)

29m

C)

32.3m

D)

40m

Solution:

Ans: (c)

  

In  ∆DCF, 

(CD)2 = (CF)2  + (DF)2 

(CD)2 = (30)2  + (12)2 

(CD)2 = 900  + 144

CD =  1044   

CD=32.3m

Knowledge Expert

· commented

· 1 Months ago

Dear student
Please observe the question carefully,
it is clearly mentioned 'D starts
walking 13 m towards south direction
and reaches to the position of E.'
So option (c) is correct answer.

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