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pooja

· started a discussion

· 1 Months ago

downsteam speed od boat 15 mph (Question:229012.1)

how

Question:

DIRECTIONS: Study the following pie chart and table carefully and answer the questions that follow.

Downstream Distance = 200 km                         Upstream Distance = 300 km

  

Days

Speed of boat in still Water 

Stream Speed

Monday

5

-

Tuesday

-

6

Wednesday

4

-

Thursday

-

4

Friday

3

-

What time will be taken by a boat to cover a distance on Tuesday along with the stream, if the upstream of boat is 3 kmph ?

Options:
A)

4 hours

B)

5 hours

C)

2 hours

D)

3 hours

E)

None of these

Solution:

Ans: (c) 

Upstream speed of boat = 3 kmph

downstream speed of boat =15 kmph

Downstream Distance on Tuesday = 15% of 200 = 30 km

Hence time taken = 30/15 = 2 hours

Knowledge Expert

· commented

· 1 Months ago

Dear Student,
Upstream speed = 3kmph......stream speed=6kmph..........then speed of boat = 9 kmph........so downstream speed = 9+6=15kmph

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