Staff Selection Commission Combined Graduate Level Exam
Question : Directions: If the 31st of January 2009 was a Saturday, then what was the day of the week on the 30th of January 2013?
Option 1: Tuesday
Option 2: Wednesday
Option 3: Monday
Option 4: Friday
Correct Answer: Wednesday
Solution : Given: The 31st of January 2009 is Saturday.
Calculate the days between Jan 31, 2009, and Jan 30, 2013. Number of remaining days in 2009 ⇒ Feb = 28; March = 31; April = 30; May = 31; June = 30; July = 31; Aug
Question : Which of the following is used to chemically test starch?
Option 1: Chlorine solution
Option 2: lodine solution
Option 3: Sulphur solution
Option 4: Bromine solution
Correct Answer: lodine solution
Solution : The correct option is the Iodine solution.
Using a chemical reaction, the iodine-starch test may determine if starch or iodine is present. Iodine creates a blue-black complex when it interacts with starch. The test is performed by dabbing a sample with a few
Question : Direction: Select the related word/ letters/ number from the given alternatives.
Y2 : 4 :: V2 : ?
Option 1: 9
Option 2: 25
Option 3: 49
Option 4: 16
Correct Answer: 25
Solution : Given:
Here, (Y)2 = 22 = 4.
So, (V)2 = 52 = 25.
Hence, second option is correct.
Question : Directions: Select the set in which the numbers are related in the same way as the numbers of the following set. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 - operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is NOT allowed.) (47, 108, 169) (22, 83, 144)
Option 1: (11, 73, 133)
Option 2: (51, 112, 173)
Option 3: (33, 121, 181)
Option 4: (8, 64, 130)
Correct Answer: (51, 112, 173)
Solution : Given: (47, 108, 169); (22, 83, 144)
In the given sets, the difference between the second and first numbers and the difference between the third and the second numbers are the same. (47, 108, 169)→108 – 47 = 61; 169 – 108 =
Question : Ultra purification of metal is done by :
Option 1: Slugging
Option 2: Zone melting
Option 3: Smelting
Option 4: leaching
Correct Answer: Zone melting
Solution : The correct option is - Zone melting
Zone melting is the method used to purify metals to the highest degree. A little amount of the metal is first melted, and then it is pushed along the remaining metal while impurities are removed.
Question : Directions: A sentence or a part of the sentence is printed in bold. Below are alternatives to the bold part that may improve the sentence. Choose the correct alternative. In case no improvement is needed, choose "No Improvement".
It was given a large remit to oversee the rules for world trade, along with the power to punish countries violating those rules.
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 3
Solution : The correct choice is the third option.
Explanation: "Those" is a demonstrative pronoun used for distant objects, and "these" is used for comparatively closer objects. The pronoun "these" is appropriate here because it refers back to the plural noun "rules". Since "rules" is plural,
Question : If a 7-storey building has a 28 m long shadow, the number of storeys of the building whose shadow is 48 m long is:
Option 1: 14
Option 2: 24
Option 3: 16
Option 4: 12
Correct Answer: 12
Solution : Length of shadow of a 7-storey building = 28 m Let the number of stories of the building with a 48 m long shadow be $x$. During the same time of the day, the sun shall cast proportional shadows on all the objects, Hence, $\frac{7}{28}=\frac{x}{48}$
Question : An egg sinks in a soft water but floats in a concentrated solution of salt because:
Option 1: egg absorbs salt from the solution and expands.
Option 2: albumin dissolves in a salt solution and the egg becomes lighter.
Option 3: the density of the salt solution exceeds the density of eggs.
Option 4: water has high surface tension
Correct Answer: the density of the salt solution exceeds the density of eggs.
Solution : The correct answer is the density of salt solution exceeds the density of eggs.
Any substance floats over or sinks into the liquid substance because of the density difference. When the substance has a lower
Question : Which of the statements given above are not correct?
A. The author of the novel 'Bird Box' is Victor LaValle.
B. The author of the novel 'The Devil in Silver' is Josh Malerman.
C. The author of the novel 'Fellside' is Victor LaValle.
Option 1: A and B
Option 2: B and C
Option 3: A and C
Option 4: A, B and C
Correct Answer: A, B and C
Solution : The incorrect statements are A, B and C.
Bird Box is a novel written by Josh Malerman and published in 2014. It is about a woman. The author of the novel The Devil in Silver is Victor Lavalle. It was published in
Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 463, 452, 439, 424, ?
Option 1: 407
Option 2: 413
Option 3: 419
Option 4: 411
Correct Answer: 407
Solution : Given: 463, 452, 439, 424, ?
In the given series, subtract consecutive odd numbers from the previous term to obtain the next term. 463 – 11 = 452; 452 – 13 = 439; 439 – 15 = 424; 424 – 17 = 407
So, 407
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