Related Questions

Ten fabrics of different colors are displayed on ten racks in a cloth store. The racks are placed one after another and numbered consecutively from one to ten. Each rack contains fabric of a single color. One fabric is green , two fabrics are brown , three fabrics are purple and remaining four fabrics are red. If a purple fabric is on rack two and red fabrics are on racks three and four , the green fabric must be on which of the following racks?
A Five
B Six
C Seven
D Eight
If the four red fabrics are on four consecutive racks , the green fabric and one of the brown fabrics could be on which of the following racks respectively?
A Two and three
B Three and four
C Five and six
D Six and seven
After taking 30 socks out of the washing machine, Shamim noticed that the ratio of blue socks to brown socks to black socks was 2:3:5. How many black socks were in the washing machine?
A 21
B 15
C 9
D 6
A store owner brought a lot of hats, 1/4th of which was brown. He sold 2/3 of the hats including 4/5 of the brown hats. What fraction of the unsold hats was brown?
A 1/60
B 2/15
C 3/20
D 3/5
During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration
A At time zero
B At the end of filtration
C When half the filtrate has been obtained
D At the end of filtration, but decreases with time subsequently
In washing type plate and frame filter press, the ratio of washing rate to the final filtrate rate is
A 4
B $$\frac{1}{4}$$
C 1
D $$\frac{1}{2}$$
The ratio for the rate of washing to the final rate of filtration in a washing type of plate and frame filter is
A 0.25
B 0.50
C 0.75
D 1.25
If 'blue' means 'green', green' means 'yellow' 'yellow' means 'orange', 'orange' means 'black', 'black' means 'white', 'white' means 'red', 'red' means 'pink', 'pink' means 'brown', 'brown' means 'grey', than what is the color of human blood?
A black
B red
C white
D orange
A certain lab experiments with white and brown mice only. IN one experiment, 2/3 of the mice are white. If there are 13 brown mice in the experiment how many mice in total are in the experiment?
A 26
B 36
C 39
D 21
In a 729 liters mixture of milk and water , the ratio of milk to water is 7:2 To get a new mixture containing milk and water in the ratio 7:3 the amount of water to be added is -
A 71 liters
B 81 liters
C 56 liters
D 50 liters

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