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
L is older than M and taller than N. O is younger than P, older than N and shorter than Q. R is older than S, younger than N, shorter than S and taller than Q. S is older than L, M, O, P, Q, R and S is necessarily false?
A O is the shortest of the group.
B N is the second tallest of the group.
C L is the tallest of the group.
D Q is the third oldest of the group.
A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is
A 0.25
B 0.50
C 0.75
D 1.0
A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is
A 0.25
B 0.33
C 0.40
D 0.50
A painter has painted one-third of a rectangular wall which is ten feet high. When he will paint another 75 square feet of that wall, he will have finished three-quarters of the job. What is the length (the horizontal dimension) of the wall?
A 18 feet
B 12 feet
C 10 feet
D 9 feet
A painter has painted 1/3 of a rectangular wall that is 12 feet high. When he will paint another 50 square feet of the wall he will have finished 50% of the job. What is the length of the wall?
A 25
B 50
C 15
D 20
If ‘H’ is the height of wall between centers of supports, then the effective height of wall where concrete floors have a bearing on wall irrespective of the direction of span will be
A 0.75 H
B 0.85 H
C 1.0 H
D 1.5 H
A painter has painted one -third of a rectangular wall which is ten feet high. When he will paint another 75 square feet of that wall, he will have finished three-quaters of the job. What is the length (the horizontal dimension) of the wall?
A 18 feet
B 12 feet
C 10 feet
D 9 feet
The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall
A Depends on the thickness of the wall
B Increases with height of the wall
C Increases with depth of the wall
D Depends on the area of the wall
Mrs. Jansen recently moved to Arizona. She wants to fill her new backyard with flowering plants. Although she is an experienced gardener, she isn't very well-versed in what plants will do well in the Arizona climate. Also, there is a big tree in her backyard making for shady conditions and she isn't sure what plants will thrive without much direct sunlight. Her favorite gardening catalog offers several backyard seed packages. Which one should Mrs. Jansen choose?
A The Rainbow Collection is ideal for North-east gardens. It includes a variety of colorful perennials that thrive in cool, moist conditions.
B The Greenhouse Collection will blossom year after year if planted in brightly lit locations and watered regularly.
C The Treehouse Collection will provide lush green plants with delicate colorful flowers that thrive in shady and partially shady locations.
D The Oasis Collection includes a variety of perennials that thrive in dry climates and bright sunlight.

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