Related Questions

Given that, 24 carat gold is pure gold, 18 carat gold is 3/4th of pure gold and 20 carat gold is 5/6th of pure gold, the ratio of the pure gold in 18 carat gold to the pure gold in 20 carat gold is -
A 5 : 8
B 10 : 9
C 8 : 5
D 9 : 10
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 jar contains only marbles of three colors : red, green and yellow. The red and green marbles are in the ratio of 2 : 5 and the yellow and red marbles are in ratio of 5 : 6. which of the following could be the total number of marbles?
A 52
B 64
C 100
D None of these
Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold
A 220 Ohm, 5%
B 220 Ohm, 10%
C 22,000 Ohm, 5%
D 22, 000 Ohm, 10%
E None of the above
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
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
A bag contains 6 red balls, 11 yellow balls and 5 pink balls. If two balls are drawn at random from the bag one after another, what is the probability that the first ball is red and the second ball is yellow?
A 1/14
B 2/7
C 5/7
D 3/14
A red, red, orange, gold resistor has a nominal value of
A 22,000 Ω
B 2,200 Ω
C 22 Ω
D 2.2 Ω
In a rare coin collection, all coins are either pure gold or pure silver , and there is initially one gold coin for every three silver coins . With the addition of 10 more gold coins to the collection, the ratio of gold coins to silver coins is 1 to 2. Based on this information , how many total coins are there now in this collection (after the acquisition)?
A 40
B 50
C 70
D 90
A certain dentist specializes in implanting gold and silver teeth in his patients mouths .He charges $ 650 for a gold tooth an $ 325. for a silver tooth. If his told fees for implanting gold and silver teeth last week were $ 15, 925 in total and he implanted five more gold teeth that silver teeth, how many teeth in total did he implant over the week?
A 33
B 32
C 31
D 34

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