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61.
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62.
Everyday Miss Yadav, Miss Sharma, Miss Toppo and Miss Hussain go to a park for morning walk. One day, they reach the gate of the park at the same time and immediately start walking on the only circular track adjacent to the gate. Miss Yadav, Miss Toppo and Miss Hussain go on a clockwise direction while Miss Sharma goes anti-clockwise. Miss Hussain who is asthmatic is the slowest among the four and soon others move away from her. Like every day she could walk only one round taking almost the same time as others to complete their morning walk. After her walk
Miss Hussain reads the following instruction written at the gate while others join her one after another. “Walkers are requested to use only the 500 m walking track. Plucking of flowers and leaves are strictly prohibited. The park will remain closed from 6 pm to 5 am.”
While walking Miss Yadav overtakes Miss Hussain twice; once near the fountain and the other time at the signature rock. Miss Toppo and Miss Sharma cross her three times.
[1] What is the total distance covered by Miss Sharma and Miss Toppo together?
(1) 3500 m
(2) 4000 m
(3) 2500 m
(4) 3000 m[2] How many times Miss Yadav and Miss Sharma cross each other on the track?
(1) Twice
(2) Three times
(3) Four times
(4) Five times[3] How many times Miss Toppo would overtake Miss Yadav?
(1) Never
(2) Once
(3) Twice
(4) Three timesasked in FMS
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63.
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64.
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65.
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66.
Read the following information carefully and answer the questions ::
A warship and a submarine (completely submerged in water) are moving horizontally in a straight line. The Captain of the warship observers that the submarine makes an angle of depression of 30°, and the distance between them from the point of observation is 50 km. After 30 minutes, the angle of depression becomes 60°.[1] Find the distance between them after 30 min from the initial point of reference.
A. 50/√3 km
B. 25 km
C. 25/√3 km
D. 25√3 km[2] If both are moving in same direction and the submarine is ahead of the warship in both the situations, then the speed of the warship, if the ratio of the speed of warship to that of the submarine is 2 : 1, is:
A. 100/√3 km/hr
B. 100√3 km/hr
C. 200√3 km/hr
D. 200/√3 km/hrasked in IIFT
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