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
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
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
Name the space agency which will launch Parker Solar Probe to explore sun's outer surface ?
A NASA
B Israel Space Agency
C JAXA
D ISRO
The ionosphere overlaps which two layers of the atmosphere?
A Troposphere and Mesosphere
B Mesosphere and Stratosphere
C Ionosphere and Homosphere
D Exosphere and Thermosphere
Why does the ionosphere of the Earth's atmosphere facilitate radio communication? i. The presence of ozone causes the reflection of radio waves to earth ii. Radio waves have a very long wavelength
A i only
B ii only
C both i & ii
D neither i nor ii
With whom was the seven-year rule of' "missions, omissions and commissions' associated?
A Lord Dalhousie
B Lord Curzon
C Lord Lytton
D Lord Mayo
Bangabandhu clarified Bangladesh's absolute pledge to the missions of the UN charters. The meaning of the underlined word is -
A determination
B explanation
C narration
D situation
When Word flags a possible spelling or grammar error, it also changes the mark on the Spelling and Grammar Status icon to a ________.
A Green X
B Green check mark
C Red X
D Red check mark
Read the sentence and fill in the blanks with appropriate words : We all have potential to be (4)______however (5)_____ of the pressure of modern living and the need for specialization many of us never the time or opportunity or indeed are given the (6) ____ to explore our latent talents
A creatur
B critical
C creative
D create

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