The radius of base of solid cone is 9 cm and its height is 21 cm. It cut into 3 parts by two cuts, which are parallel to its base. The cuts are at height of 7
cm and 14 cm from the base respectively. What is the ratio of curved surface areas of top, middle and bottom parts respectively?
1). 1 : 4 : 8
2). 1 : 3 : 5
3). 1 : 3 : 9
4). 1 : 6 : 1 2
The smaller the alpha level, the ____________________ the null hypothesis
1). greater the area where you would reject
2). smaller the area where you would reject
3). smaller the area where you w ould accept
4). greater the area where you would accept
In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the
four alternatives.
The generation gap is another of those characteristic features that set Homo sapiens apart from other animals. It is ______ if ever the most intelligent of apes ever
blamed its juniors for their ______ ways! Over the years people have tried to analyse it, explain it, understand it, even ignore it, but it remains, ready to ______ each
generation as it tries to ______ its own ______ about life and living.
it tries to ______ its
1). accumulate
2). formulate
3). assimilates
4). annihilate
Two trees are standing along the opposite sides of a road. Distance between the two trees is 400 metres. There is a point on the road between the trees.
The angle of depressions of the point from the top of the trees are 45o and 60o. If the height of the tree which makes 45o angle is 200 metres, then what will be the
height (in metres) of the other tree?
1). 200
2). 200√3
3). 100√3
4). 250
what is the value of $\sqrt{4600+\sqrt{540+\sqrt{1280+\sqrt{250+\sqrt{36}}}}}$?
1). 68
2). 12
3). 23
4). 45