Related Questions

One-fifth of the batteries produced by an upstart factory are defective and one -quarter of all batteries produced are rejected by the quality control technician. If one-tenth of the non-defective batteries are rejected by mistake and if all the batteries not rejected are sold, then what percent of the batteries sold by the factory are defective?
A 4%
B 3%
C 6%
D 5%
সিরিজে সংযুক্ত একটি এ্যামিটার এবং একটি অজানা রোধ দুটি একই রকম 1.5 V ব্যাটারীর দুই প্রান্তে সংযুক্ত আছে। যখন ব্যাটারী দুটি সিরিজে সংযুক্ত থাকে তখন এ্যামিটার। amp রিডিং প্রদর্শন করে। আবার ব্যাটারী দুটি সমান্তরালে সংযুক্ত করলে 0.6 amp রিডিং প্রদর্শন করে। ব্যাটারীর আভ্যন্তরিন রোধ কত ? (An ammeter and an unknown resistance are connected in series across two identical batteries of each 1.5 V. The ammeter shows current I amp and 0.6 amp when the batteries are connected in series and parallel, respectively. What is the internal resistance of the battery?)
A 13Ω
B 12Ω
C 1Ω
D 0.1Ω
E 23Ω
The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as
A Spur gearing
B Helical gearing
C Bevel gearing
D Spiral gearing
শূন্যস্থান পূরণ কর He has ensured me-safety-
A with
B of
C for
D at
Right to Life and Liberty is ensured under:
A Article 12 of the constitution of India.
B Article 17of the constitution of India.
C Article 15 of the constitution of India.
D Article 21 of the constitution of India.
"User friendly" computers have ensured that
A management requires no system analysis and design.
B programmers are no longer needed
C structured programming is not needed
D All of the above
E None of the above
By which of the following rights fundamental rights are ensured in Indian constitution?
A Right to equality
B Right against exploitation
C Right to constitutional remedies
D Educational and cultural right
For efficient working of a sewer, it must be ensured that
A Minimum velocity of 0.45 m/sec, is maintained at its minimum flow
B A maximum velocity of 0.90 m/sec, is maintained at its maximum flow
C Both (A) and (B)
D Neither (A) nor (B)
Which of the following act of India ensured the partition of India?
A Government of India Act, 1909
B Government of India Act, 1919
C Government of India Act, 1935
D None of these
Which of the following Act, ensured the establishment of the supreme court in India?
A Pitt's India Act, AD 1784
B The Regulating Act, AD 1773
C Charter Act, 1793 AD
D Charter Act, 1813 AD

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