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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.
To arrive at the answers to the above questions, which of the following statements can be dispensed with?
Sundar runs 20 m towards East and turns to right and runs 10 m. Then he turns to the right and runs 9 m. Again he turns to right and runs 5 m. After this, he turns to left and runs 12 m and finally he turns to right and 6 m. Now to which direction is Sundar facing?
Each of the following questions is based on the following information:
Six flats on a floor in two rows facing North and South are allotted to P, Q, R, S, T and U.
Q gets a North facing flat and is not next to S.
S and U get diagonally opposite flats.
R next to U gets a south-facing flat and T gets North facing flat.
The flats of which of the other pair than SU, is diagonally opposite to each other?
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