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
This ring is made of gold --বাক্য ' gold' শব্দটি কোন প্রকারের Noun?
A Common noun
B Collective noun
C Material noun
D Abstract noun
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
Six bells starts ringing logether and ring at intervals of 4, 8, 10, 12, 15 and 20 seconds respectively. How many times will they ring together in 60 minutes?
A 15
B 16
C 30
D 31
The function of a first compression ring (top ring) is that it
A Increases the combustion temperature
B Creates swirl
C Maintains a seal and prevents the fuel leakage
D Maintains a seal and prevents escape of burned gases and loss of pressure in the combustion chamber
M.I. of a thin ring (external diameter D, internal diameter d) about an axis perpendicular to the plane of the ring, is
A $$\frac{\pi }{{64}}\left( {{{\text{D}}^4} + {{\text{d}}^4}} \right)$$
B $$\frac{\pi }{{32}}\left( {{{\text{D}}^4} - {{\text{d}}^4}} \right)$$
C $$\frac{\pi }{{32}}\left( {{{\text{D}}^4} + {{\text{d}}^4}} \right)$$
D $$\frac{\pi }{{32}}\left( {{{\text{D}}^4} \times {{\text{d}}^4}} \right)$$
Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent.
A 5
B 20
C 35
D 55
And when this happens, and when we allow freedom ring, when we let it ring from every village and every hamlet ____ will be able to join hands and sing in the words of the old Negro spiritual, "Free at last! In this statement what does the word hamlet refer to  __
A a dream
B a state
C a small village
D a poem
When the price of gold went up, a jeweler raised the prices on certain rings by 60%. On once ring however, the price was accidently reduced by 60%. By what percent must the incorrect price be increased to reflect the proper new price ?
A High Definition Multilanguage Interface
B High Definition Multimedia Interface
C Highly Definate Multinational Integrity
D Highly Defined Multimedia International

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