Are you looking for SCRA Previous Year Question Paper / UPSC SCRA Sample Paper with Solutions ? You can then collect here 20 important questions with answers. Answers are marked along with the four options given.

1. Given that A,B,C,D,E each represent one of the digits between 1 and 9 and that the following multiplication holds: A B C D E X 4 E D C B A what digit does E represent ?

4

6

8 (Answer)

7

2. HCL prototyping machine can make 10 copies every 4 seconds. At this rate, How many copies can the machine make in 6 min.?

900 (Answer)

600

360

240

150

3. if a=2, b=4, c=5 then a+b c c a+b

1

11/30 (Answer)

-11/30

-1

Directions:

Six knights - P,Q,R,S,T and U - assemble for a long journey in two traveling parties. For security, each traveling party consists of at least two knights. The two parties travel by separate routes, northern and southern. After one month, the routes of the northern and southern groups converge for a brief time and at that point the knights can, if they wish, rearrange their traveling parties before continuing, again in two parties along separate northern and southern routes. Throughout the entire trip, the composition of traveling parties must be in accord with the following conditions

P and R are deadly enemies and, although they may meet briefly, can never travel together. p must travel in the same party with S Q can't travel by the southern route U can't change routes

4. If one of the two parties of knights consists of P and U and two other knights and travels by the southern route, the other members of this party besides P and U must be

Q and S

Q and T

R and S

R and T

S and T (Answer)

5. If each of the two parties of knights consists of exactly three members, which of the following is not a possible traveling party and route?

P,S,U by the northern route

P,S,T by the northern route (Answer)

P,S,T by the southern route

P,S,U by the southern route

Q,R,T by the southern route

6. If one of the two parties of knights consists of U and two other knights and travels by the northern route, the other members of this party besides U must be

P and S

P and T

Q and R (Answer)

Q and T

R and T

7. If each of the two parties of knights consists of exactly three members of different pX-Mozilla-Status: 0009by the northern route, then T must travel by the

southern route with P and S (Answer)

southern route with Q and R

southern route with R and U

northern route with Q and R

northern route with R and U

8. If, when the two parties of knights encounter one another after a month, exactly one knight changes from one traveling party to the other traveling party, that knight must be

P

Q

R

S

T (Answer)

9. Lux is the SI unit of

Intensity of illumination (Answer)

Luminous efficiency

Luminous flux

Luminous intensity

10. On a rainy day, small oil films on water show brilliant colours. This is due to

Dispersion

Interference (Answer)

Diffraction

Polarization

11. Materials for rain-proof coats and tents owe their water-proof properties to

Surface tension (Answer)

Viscosity

Specific gravity

Elasticity

12. RADAR is used for

Locating submerged submarines

Receiving a signals in a radio receiver

Locating geostationary satellites

Detecting and locating the position of objects such as aeroplanes (Answer)

13. Sound of frequency below 20 Hz is called

Audio sounds

Infrasonic (Answer)

Ultrasonic

Supersonics

14. On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because

Mercury is a metal

Density of mercury is greater than that of water

Cohesion of mercury is greater than its adhesion with glass (Answer)

Cohesion of water is greater than its adhesion with glass

15. Suitable impurities are added to a semiconductor depending on its use. This is done in order to

Increase its life

Enable it to withstand higher voltages

Increase its electrical conductivity

Increase its electrical resistivity (Answer)

16. If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?

2 : 5

3 : 7

5 : 3 (Answer)

7 : 3

17. Two number are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is:

27

33 (Answer)

49

55

18. How much money do Vivek and Suman have together ? Statements: I.Suman has 20 rupees less than what Tarun has. II.Vivek has 30 rupees more than what Tarun has.

I alone is sufficient while II alone is not sufficient

II alone is sufficient while I alone is not sufficient

Either I or II is sufficient

Neither I nor II is sufficient (Answer)

Both I and II are sufficient

19. Dr. Linus Carl Pauling is the only person to have won two Nobel prizes individually for

Chemistry in 1954, Peace Prize in 1962 (Answer)

Peace Prize in 1954, Chemistry in 1962

Physics in 1954, Medicine in 1962

Medicine in 1954, Physics in 1962

20. Kiran Bedi received Magsaysay Award for government service in

1992

1993

1994 (Answer)

1995

1. Given that A,B,C,D,E each represent one of the digits between 1 and 9 and that the following multiplication holds: A B C D E X 4 E D C B A what digit does E represent ?

4

6

8 (Answer)

7

2. HCL prototyping machine can make 10 copies every 4 seconds. At this rate, How many copies can the machine make in 6 min.?

900 (Answer)

600

360

240

150

3. if a=2, b=4, c=5 then a+b c c a+b

1

11/30 (Answer)

-11/30

-1

Directions:

Six knights - P,Q,R,S,T and U - assemble for a long journey in two traveling parties. For security, each traveling party consists of at least two knights. The two parties travel by separate routes, northern and southern. After one month, the routes of the northern and southern groups converge for a brief time and at that point the knights can, if they wish, rearrange their traveling parties before continuing, again in two parties along separate northern and southern routes. Throughout the entire trip, the composition of traveling parties must be in accord with the following conditions

P and R are deadly enemies and, although they may meet briefly, can never travel together. p must travel in the same party with S Q can't travel by the southern route U can't change routes

4. If one of the two parties of knights consists of P and U and two other knights and travels by the southern route, the other members of this party besides P and U must be

Q and S

Q and T

R and S

R and T

S and T (Answer)

5. If each of the two parties of knights consists of exactly three members, which of the following is not a possible traveling party and route?

P,S,U by the northern route

P,S,T by the northern route (Answer)

P,S,T by the southern route

P,S,U by the southern route

Q,R,T by the southern route

6. If one of the two parties of knights consists of U and two other knights and travels by the northern route, the other members of this party besides U must be

P and S

P and T

Q and R (Answer)

Q and T

R and T

7. If each of the two parties of knights consists of exactly three members of different pX-Mozilla-Status: 0009by the northern route, then T must travel by the

southern route with P and S (Answer)

southern route with Q and R

southern route with R and U

northern route with Q and R

northern route with R and U

8. If, when the two parties of knights encounter one another after a month, exactly one knight changes from one traveling party to the other traveling party, that knight must be

P

Q

R

S

T (Answer)

9. Lux is the SI unit of

Intensity of illumination (Answer)

Luminous efficiency

Luminous flux

Luminous intensity

10. On a rainy day, small oil films on water show brilliant colours. This is due to

Dispersion

Interference (Answer)

Diffraction

Polarization

11. Materials for rain-proof coats and tents owe their water-proof properties to

Surface tension (Answer)

Viscosity

Specific gravity

Elasticity

12. RADAR is used for

Locating submerged submarines

Receiving a signals in a radio receiver

Locating geostationary satellites

Detecting and locating the position of objects such as aeroplanes (Answer)

13. Sound of frequency below 20 Hz is called

Audio sounds

Infrasonic (Answer)

Ultrasonic

Supersonics

14. On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because

Mercury is a metal

Density of mercury is greater than that of water

Cohesion of mercury is greater than its adhesion with glass (Answer)

Cohesion of water is greater than its adhesion with glass

15. Suitable impurities are added to a semiconductor depending on its use. This is done in order to

Increase its life

Enable it to withstand higher voltages

Increase its electrical conductivity

Increase its electrical resistivity (Answer)

16. If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?

2 : 5

3 : 7

5 : 3 (Answer)

7 : 3

17. Two number are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is:

27

33 (Answer)

49

55

18. How much money do Vivek and Suman have together ? Statements: I.Suman has 20 rupees less than what Tarun has. II.Vivek has 30 rupees more than what Tarun has.

I alone is sufficient while II alone is not sufficient

II alone is sufficient while I alone is not sufficient

Either I or II is sufficient

Neither I nor II is sufficient (Answer)

Both I and II are sufficient

19. Dr. Linus Carl Pauling is the only person to have won two Nobel prizes individually for

Chemistry in 1954, Peace Prize in 1962 (Answer)

Peace Prize in 1954, Chemistry in 1962

Physics in 1954, Medicine in 1962

Medicine in 1954, Physics in 1962

20. Kiran Bedi received Magsaysay Award for government service in

1992

1993

1994 (Answer)

1995

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