Related Questions

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
There are 15 balls in a box 8 balls are green 4 are blue and 3 are white. Then 1 green and 1 blue balls are taken from the box and put away. what is the probability that a blue ball is selected at random from the box?
A 3?15
B 4/15
C 3/13
D 4/13
There are five persons sitting on a bench. Blue eyed lady sitting in the middle is my mother. At the extreme left, the man with grey hair is my maternal uncle. Lady sitting at the extreme right is having a pimple on her nose and is the wife of person who is sitting between blue eyed lady and grey haired man and has a pointed nose. A lady having marks on her face is the younger sister of the blue eyed lady and sitting on the remaining fifth place. The person having a pointed nose is the son of the blue eyed lady. What is the lady having marks on her face to the man sitting at extreme left ?
A Wife
B Maternal Aunt
C Sister
D Sister-in-law
Two-fifths of the caps in a box are red, one-fourth are blue and the rest are green. What is the ratio of the green caps to the blue caps?
A 5 : 8
B 5 : 7
C 7 : 8
D 8 : 7
Two-fifths of the socks in box are , one-third is blue, and the rest are green. What is the ratio of the green socks to the blue socks?
A 4:5
B 5:6
C 6:7
D 7:8
If white is called black, black is called red, red is called yellow, yellow is called green, green is called blue, blue is called violet and violet is called orange, what would be the colour of human blood?
A green
B black
C red
D yellow
In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither blue nor green?
A $$\frac{{2}}{{3}}$$
B $$\frac{{3}}{{7}}$$
C $$\frac{{8}}{{21}}$$
D $$\frac{{9}}{{22}}$$
Fossils of blue green algae were found in lime stones with the age almost as old as
A 1.3 Billion years
B 2.3 Billion years
C 3.3 Billion years
D 4.3 Billion years
A cell wall material present only in blue green algae and bacteria is
A Cellulose
B Glycogen
C Muramic acid
D Pectin
All living things except bacteria and blue green algae are termed as
A Prokayotes
B Lysosmes
C Eukaryotes
D None of the above

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