Related Questions

A thin layer of dirt and grime coverts the reflecting surface of the parabolic dish of a radar set. The particular effect on the performance of the radar will be
A A decrease in range
B A reduction in horizontal resolution
C No noticeable effect
D A decrease in gain
a box is made in the form of a cube. IF a second cubical box has inside first box , how many times as much does the second box contain ?
A 6
B 9
C 12
D 27
A box is made in the form of a cube. If a second cubical box has inside dimensions three times those of the first box, how many times as much does the second box contain?
A 12
B 27
C 9
D 6
A box contains only marbles. If 14 of the marbles were removed, the box would be filled to 1/3 of its capacity. If instead 100 marbles were added the box would e full. How many marbles are there in the box?
A 100
B 160
C 200
D Try your self
It is given that the weight of an empty box is 1000 gm and the total weight of the box when filled with apples and mangoes is 10 kg. If there are 3 dozens of apple in the box and the weight of each apple is 200 gm whereas the weight of every mango is 300 gm. then , find out the total number of mangoes in the box.
A 6
B 8
C 9
D 10
In three coloured boxes - Red, Green and Blue, 108 balls are placed. There are twice as many balls in the green and red boxes combined as there are in the blue box and twice as many in the blue box as there are in the red box. How many balls are there in the green box ?
A 18
B 36
C 45
D None of these
A man sells chocolates which are in the boxes. Only either full box or half a box of chocolates can be purchased from him. A customer comes and buys half the number of boxes which the seller had plus half box more. A second customer comes and purchases half the remaining number of boxes plus half a box. After this the seller is left with no chocolate boxes. How many chocolate boxes the seller had initially?
A 2
B 3
C 4
D 3.5
E None of these
In a engineering, test, a rocket sled is propelled into a target. If the sled's distance d in meters from the target is given by the fomula d = - 1.5 t2+120, where t is the number of seconds after rocket ignition, then how many seconds have passed since rocket ignition when the sled is 10 meters from the target?
A 2.58
B 8.59
C 8.94
D 9.31
A box contains 90 nuts each of 100 gms an d 100 bolts each of 150 gms. If the entire box weighs 35.5 kgs , then the wight of the empty box is--
A 10 kg
B 10.5 kg
C 11 kg
D 11.5 kg
A box contains 12 poles and 7 pieces of net. Each piece of net weighs 0.2 gm; each pole weight 1.1 gm. The box and its contents together weigh 16.25 gm. How much does the empty box weigh?
A 1.25 gm
B 1.65 gm
C 2.25 gm
D 2.65 gm

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