Related Questions

The chemical formula of the laughing gas is
A NO
B N2O
C NO2
D N2O3
Which of the following is known as laughing gas?
A CO2
B N2O
C NO2
D B2O
What is laughing gas?
A Nitrous Oxide
B Carbon monoxide
C Sulphur dioxide
D Hydrogen peroxide
Which one of the following oxides of Nitrogen is also known as Laughing Gas?
A NO2
B N2O5
C NO
D N2O
Laughing gas is
A Nitric oxide
B Nitrous oxide
C Nitrogen trioxide
D Nitrogen pentoxide
The 'laughing gas' is
A Nitrous oxide
B Nitric oxide
C Nitrogen trioxide
D Nitrogen pentoxide
A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory . There are 100 seniors, 150 juniors and 200 sophomres who applied. Each senior's junior's name , 2 times; and each sophomres who applied. Each senior's name is placed in the lottery 3 times; each junior's name ,2 times name, 2 times ; and each sphomore's name , 1 time . What is the probability that a senior's name will be chosen?
A 18
B 38
C 48 
D 28
Which of the following words in not related to laughing?
A stinking
B smiling
C giggle
D chuckle
"I could not help laughing." here the sentence means ---
A আমি হাসতে বাধ্য হলাম
B আমি তাকে হাসাতে বাধ্য হলাম
C আমি না হাসতে বাধ্য হলাম
D আমি তাকে না হাসাতে বাধ্য হলাম
Fill in the blank: Rumi went -------- laughing.
A away
B to
C for
D in

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