NDA Sample Papers with Solutions
Candidates, who are preparing hard to qualify NDA exam, they can get NDA Sample Papers with Solutions from this page. You can also measure your speed and performance through online Practice. Here on this page, we are providing some Questions and Answers for the better Preparation of the exam.
So candidates are advised to keep practicing Model Questions as well as try to solve each and every question as given below. UPSC conducts the NDA exam every year for offering various employment opportunities every year to appoint eligible candidates, so those who are interested in participating in NDA Entrance Examination this year must focus their studies with full enthusiasm.
Candidates who are doing preparation for the concerned exam, they can practice for exam through these types of questions and answers as given below on this page of recruitmentresult.com. You can also download the PDF of Previous Year Paper through official website. Huge numbers of applicants doing preparation of NDA exam for growing up their career in Defence sector.
Sample paper or previous years papers helps a lot in preparing. They guide us about paper level, format, question type, marks distribution etc. It is a better idea to prepare from last year question papers. Organizing body offers sample papers for all subjects associated with NDA exam, which are stated in below, so pursuing students, can get the sample papers in PDF from here.
NDA Sample Papers with Solutions
Q.1. Which Boolean algebra property allows us to group operands in an expression in any order without affecting the results of the operation [for example, A + B = B + A]?
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Q.2. Light from the Sun reaches us in nearly
- 2 minutes
- 4 minutes
- 8 minutes
- 16 minutes
Q.3. Nuclear sizes are expressed in a unit named
Q.4. The minimum age of the voter in India is
- 15 years
- 18 years
- 21 years
- 25 years
Q.5. Siphon will fail to work if:
- the densities of the liquid in the two vessels are equal
- the level of the liquid in the two vessels are at the same height
- both its limbs are of unequal length
- the temperature of the liquids in the two vessels are the same
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Q.6. The systematic reduction of logic circuits is accomplished by:
- using Boolean algebra
- symbolic reduction
- TTL logic
- using a truth table
Q.7. Which of the following expressions is in the sum-of-products (SOP) form?
- (A + B)(C + D)
- (A)B (CD)
- AB (CD)
- AB + CD
Q.8. An AND gate with schematic “bubbles” on its inputs performs the same function as a(n)________ gate.
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Q.9. Pick out the scalar quantity
Q.10. Metals are good conductors of electricity because
- they contain free electrons
- the atoms are lightly packed
- they have high melting point
- All of the above
Q.11. Rectifiers are used to convert
- Direct current to Alternating current
- Alternating current to Direct current
- high voltage to low voltage
- low voltage to high voltage
Q.12. Which of the following expressions is in the sum-of-products (SOP) form?
- (A + B)(C + D)
- AB + CD
Q.13. The problem of the VOH (min) of a TTL IC being too low to drive a CMOS circuit and meet the CMOS requirement of VIH (min) is usually easily overcome by:
- adding a fixed voltage-divider bias resistive network at the output of the TTL device
- avoiding this condition and only using TTL to drive TTL
- adding an external pull-down resistor to ground
- adding an external pull-up resistor to VCC
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Q.14. The normal stress is the same in all directions at a point in a fluid, when the fluid is
C. both (a) and (b)
D. having no motion of one fluid layer relative to the other.
Q.15. Multiplication of 1112 by 1012 is
Answer: None of the above
Q.16. If an analog signal is to be converted to an 8-bit resolution, how many comparators are used in a parallel-encoded ADC?
Q.17. A large cube is formed from the material obtained by melting three smaller cubes of 3, 4 and 5 cm side. What is the ratio of the total surface areas of the smaller cubes and the large cube?
- 2 : 1
- 3 : 2
- 25 : 18
- 27 : 20
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Q.18. The value of log2 16 is:
Q.19. If logx y = 100 and log2 x = 10, then the value of y is:
Q.20. A farmer travelled a distance of 61 km in 9 hours. He travelled partly on foot @ 4 km/hr and partly on bicycle @ 9 km/hr. The distance travelled on foot is:
- 14 km
- 15 km
- 16 km
- 17 km
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Q.21. Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?
Q.22. Two trains 140 m and 160 m long run at the speed of 60 km / hr and 40 km / hr respectively in opposite directions on parallel tracks. The time (in seconds) which they take to cross each other, is:
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Q.23. Two stations A and B are 110 km apart on a straight line. One train starts from A at 7 a.m. and travels towards B at 20 kmph. Another train starts from B at 8 a.m. and travels towards A at a speed of 25 kmph. At what time will they meet?
- 9 a.m.
- 10 a.m.
- 10.30 a.m.
- 11 a.m.
Q.24. Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30° and 45° respectively. If the lighthouse is 100 m high, the distance between the two ships is:
A. 173 m
B. 200 m
C. 273 m
D. 300 m
Q.25. From a point P on a level ground, the angle of elevation of the top tower is 30º. If the tower is 100 m high, the distance of point P from the foot of the tower is:
- 149 m
- 156 m
- 173 m
- 200 m
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Q.26. Which of the following functional groups would make a carbon-based compound the least polar?
Answer: Option B
Q.27. Hydrogen bonds in a-helices are:
- more numerous than Vander Waals interactions
- not present at Phe residues
- analogous to the steps in a spiral staircase
- roughly parallel to the helix axis
Q.28. The oldest eukaryotic organisms are considered to be:
- diplomonads like Giardia
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Q.29. All the following are considered eukaryotes except
Q.30. Which of the following organelles contain DNA, divides and possesses some degree of autonomy?
- Golgi apparatus
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National Defense Academy is a place where courageous hearts of Indian Army are being shaped. It is a service academy of Indian Armed Forces where contenders are trained for the Air Force, the Navy and the Army.NDA exams are conducted by Union Public Service Commission (UPSC). The examination is held two times in a year in the month of April and August or September.
In India UPSC is mainly a central agency that has been approved for conducting different top level prestigious exams like Civil Services, Combined Defence Services, Naval Academy, etc. It is considered one of the toughest exams in the world.
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