Related Questions

What is the acceptable safe limit of Arsenic per liter of water ?
A 0.01 mg
B 0.001 mg
C 0.05 mg
D 0.005 mg
If the cost of x litters unleaded CNG priced at Tk. 1.24 per litter is equal to the cost of x+2 litters of regular CNG priced at Tk. 1.16 per litter, then the value of x is ---
A 29
B 24
C 16.6
D 14.5
The safe speed for a train rounding a corner is proportional to the square root of the radius . If the safe speed for a curve of radius 49 meters is 28 km/h. The safe speed for a curve of radius 64 metes is :
A (256/7)km /h
B (256/7) km /h
C 32 km /h
D 23 km /h
What is the acceptable level of Arsenic?
A 0.05
B 0.01
C 0.1
D 0.5
Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm.
A [

A.

B. 10-100

B 100-200
C 100-1000
Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million).
A 0.002
B 0.2
C 1.2
D 4.8
On Dhaka- Sylet highway , 5% of the drives are fined for exceeding the speed limit. However , 80% of the drivers who exceed the speed limit are not fined. What percentage of dirvers on this highway exceed the speed limit?
A 10
B 15
C 20
D 25
They reached home safe and sound. Here 'safe and sound' is a/an:
A adjective phrase
B adverbial phrase
C proverb
D idiom
The speaker's address about a career is a litter 'nebulous' at this point.
A sententious
B jumbled
C vague
D tenuous
কোন দ্রবণের pH =8.5 এবং আয়তন 2.5 litter দ্রবণে কতটি H+ আয়ন আছে?
A 7.27×10-9
B 4.16×10-9
C 5.48×1015
D 4.76×1015

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