Related Questions

Artificially produced radioactive isotopes are used for
A power generation
B treatment of certain diseases
C initiating nuclear fission & fusion
D all A, B & C
In a new production process, the number of units produced during the first week was 450. If the efficiency gradually increase so that 10 additional units can be produced each week, how many will be produced in the 10th week?
A 490
B 700
C 540
D 640
Which wonder of nature of Bangladesh did not participate in the voting of selecting in the list of New 7 Wondes of Nature?
A Cox's bazar Sea Beach
B Laoachora reserve Forest
C Ganga-Padma river
D Sunderban
Which wonder of nature is not in the list of Old 7 Wonders of Nature?
A Victoria Fall
B Grand Canyon
C Amazon Rain Forest
D Mount Everest
which wounder of nature is not in the list of New 7 wonders of Nature?
A Jeja Island
B Table Mountain
C Amazo Rein Forest
D Mount Everest
The forms in which various metals and non metals occur in nature are called minerals. Which of the following is not a metallic ferrous mineral?
A Cassiterite
B Sphalerite
C Chalcopyrite
D Calcite
Losses which occur in rotating electric machines and do not occur in trans formers are
A friction and windage losses
B magnetic losses
C hysteresis and eddy current losses
D copper losses
Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature.
A Nylon
B Polyacrylonitrile
C Polypropylene
D Polyester
ওয়েব পেজে 1000 বাই ৪০০ পিক্সেলের nature.jpg ইমেজটি যুক্ত করার জন্য <img src = "nature.jpg"> এর সাথে কোন নির্দেশনা যুক্ত হবে?
A Width="1000" height = "800"
B Pixelw = "1000" pixelh="800"
C W = "1000" h="800"
D Pixwidth="1000" Pixheight="8"
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th

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