The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as

3/4th of square were taken to form shape A and the rest was made to form shape B. Shape A was divided into four equal squares (Shape C), what will be the ratio of the one shape C to one shape B.

A

1:4

B

3:16

C

1:2

D

3:4

A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the same speed. Find the ratio of the speeds of the two stones when they hit the ground.

A

1 : 1

B

1 : 2

C

1 : 4

D

Cannot be found from the given information.

There are 9 black and red stones of same size in a box. If you reach into the box with your eyes close, what is the minimum number of stones you must take out to be sure of having a pair that match?

A

2

B

3

C

5

D

10

H উচ্চতায় অবস্থিত একটি বেলুন থেকে একটি পাথর ছেড়ে দিলে তা । উচ্চতায় অবস্থিত একটি হেলানো তনের উপর আছড়ে পড়ে। হেলানো শুলকে আঘাতের পর পাথরটির বেগ আনুভূমিক হয়। h/H এর মান কত হলে পাথরটি ভূমিকে স্পর্শ করতে সর্বোচ্চ সময় নিবে? (A stone falls from a balloon at a height of H above the ground and hits an inclined plane in its path at a height of h. After impact, the velocity of the stone becomes horizontal. What should be the value of hill so that the stone will take maximum time to reach the ground?)

A

H-hh

B

12

C

32

D

hH-h

E

2

The stone masonry of finely dressed stones laid in cement or lime, is

A

Random rubble masonry

B

Coursed rubble masonry

C

Dry rubble masonry

D

Ashlar masonry

In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is

A

Right angles

B

45°

C

60°

D

Parallel

The type of stone masonry in which stones of same height are laid in layers, is called

A

Random rubble masonry

B

Course rubble masonry

C

Uncoursed rubble masonry

D

Ashlar masonry

The pressure acting on the stones in stone masonry construction should be

A

Along the direction of bedding planes

B

At 45° to the direction of bedding planes

C

At 60° to the direction of bedding planes

D

Perpendicular to the direction of bedding planes

Hey many years elapsed between the date of the oldest hieroglyphics deciphered by means of the Rosetta stone and the stone's discovery?

A

1301

B

1799

C

3100

D

4899

'If' a stone 'thrown' into a pond, the ripples will spread out 'from' the point 'where' the stone

A

if

B

thrown

C

from

D

where

The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as

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