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प्रश्न
Choose the most appropriate option for the following question.
A man walks 1 km. towards East and then he turns to South and walk s 5 kms. Again he turns to East and walks 2 kms. After this he turns to North and walks 9 kms. Now, how far is he from his starting point?
पर्याय
5 kms
4 kms
9 kms.
10 kms.
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उत्तर
5 kms
Explanation:
The direction diagram of a man is as follows:
BO = CD = 2 km
and AB + BO = AO
1 + 2 = 3 km
In Δ AOE,
AE2 = EO2 + OA2
AE2 = 42 + 32
AE2 = 16 + 9
AE2 = 25
AE = 5 km
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संबंधित प्रश्न
Read the following information carefully to answer this question:
A. Six flats on a floor in two rows facing North and South are allotted to P, Q, R, S, T, and U.
B. Q gets a North facing flat and is not next to S.
C. S and U get diagonally opposite flats.
D. R, next to U, gets a South facing flat and T gets a North facing flat.
If the fiats of T and P are interchanged, whose flat will be next to that of U?
Choose the most appropriate option for the following question.
John wants to go the university. He starts from his house which is in the East and comes to a crossing. The road to his left ends in a theatre, straight ahead is the hospital. In which direction is the University?
Rohit walked 25 m towards south. Then he turned to his left and walked 20 m. He then turned to his left and walked 25 m. He again turned to his right and walked 15 m. At what distance is he from the starting point and in which direction?
A direction pole was situated on the crossing. Due to an accident, the pole turned in such a manner that the pointer which was showing East started showing South. One traveller went to the wrong direction thinking it to be West. In what direction actually he was travelling?
I go 100 metres towards North from my house, then I turn left and go 200 metres, then turning left I go 200 metres, then again turning left I go 100 metres, and then turning left again I go 100 metres, in which direction am I now from my house?
Shyam travels 5 km towards East and turns left and moves 6 km further. He then turns right and moves 9 km. Finally, he turns once again to his right and moves 6 km.
How far is he from the starting point?
Kamala would like to complete all her home work before 10 p.m. in order to watch an important TV programme. She has 40 minutes assignment in each of her five subjects. What is the latest time at which she can start and still complete work in time for the programme?
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At what time the announcement was made?
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Anand travels 10 km from his home to the east to reach his school. Then he travels 5 km to the south to reach his father's shop, after school. He then travels 10 km to the west to help his uncle. How far and in which direction is he from his home?
