Related Questions

A ladder is resting against a vertical wall and its bottom is 2.5 m away from the wall. If it slips 0.8 m down the wall, then its bottom will move away from the wall by 1.4 m. What is the length of the ladder?
A 6.2 m
B 6.5 m
C 6.8 m
D \7.5 m
A needle sinks in water whereas a ship made of iron floats on it because-
A the edge of the needle is pointed.
B the ship is flat.
C the ship is driven by powerful engine.
D specific gravity of the needle is greater than that of water displaced by it.
Mr. Ali decided to walk down the escalator of a tube station. He found that if he walks down 26 steps, he requires 30 seconds to reach the bottom. However, if he steps down 34 stairs he would only require 18 seconds to get to the bottom. If the time is measured from the moment the top step begins to descend to the time he steps off the last step at the bottom, find out the height of the stair way in steps?
A 23 steps
B 16 steps
C 46 steps
D 26 steps
A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor.
A Fathometer
B Echosounder
C LORAN
D SONAR
When oil floats on water, the surface tension of water
A vanishes immediately
B decreases considerably
C increases considerably
D remains unaffected
The vertical posts placed at the top and bottom ends of a flight supporting the hand rail are known as
A Balusters
B Newel posts
C Balustrades
D Railings
A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is
A zero
B one-fourth its value when cylinder was full
C one-half its value when cylinder was full
D cannot be predicted from the given data
A ship leaves port and sails 6 miles west. It then sails 6 miles south ;and then 6 miles west again. Approximately how many miles is the ship from port?
A 9
B 11
C 13
D 15
Two Ships leave a port at the same time.Ship A sails 300 miles to the West Ship B sails 400 miles to the North.How far apart are the ships at the end of their trips?
A 300 miles
B 400 miles
C 500 miles
D 900 miles
Two ships leave a port at the same time, Ship A sails 300 miles to West and Ship B Sails 400 miles to the North. How fat apart are the ships at the end of their trips?
A 300 miles
B 400 miles
C 500 miles
D 900 miles

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