1
NDA General Ability 13 April 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
If three resistors of 1 Ohm each connect in parallel to each other the resultant resistance is
1
1 Ohm
2
1/3 Ohm
3
3 Ohm
4
9 Ohm
2
NDA General Ability 13 April 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
We hear an echo due to
1
Refraction of sound waves
2
Reflection of sound waves
3
Diffraction of sound waves
4
Resonance due to sound waves
3
NDA General Ability 13 April 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
At uniform speed the acceleration is
1
Maximum
2
Minimum
3
Zero
4
Constant
4
NDA General Ability 13 April 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which of the following main industry/industries was/were developed in the second industrial revolution that took place after about 1850 ?
1
Coal and iron
2
Cotton spinning and weaving
3
Chemical and electrical
4
steam engines 
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