Staff Selection Commission Combined Graduate Level Exam
Question : Study the given graph and answer the question that follows. The average production of fertilisers by country Z in 2017, 2018 and 2020 is what percentage more than the average production of fertilisers by country X in 2018 and 2020?
Option 1: 48%
Option 2: 32.4%
Option 3: 49.6%
Option 4: 45%
Correct Answer: 48%
Solution : The average production of fertilisers by country Z in 2017, 2018 and 2020 = $\frac{330+360+420}{3}$ = $\frac{1110}{3}$ = $370$ The average production of fertilisers by country X in 2018 and 2020 = $\frac{240+260}{2}$ = $\frac{500}{2}$ = $250$ Required percentage = $\frac{370-250}{250}\times100=\frac{120}{250}\times 100= 48\%$ Hence, the
Question : A trader marks his goods in such a way that after allowing a discount of 10%, he gains 15%. If an article costs him Rs. 720, his marked price is:
Option 1: Rs. 920
Option 2: Rs. 900
Option 3: Rs. 820
Option 4: Rs. 950
Correct Answer: Rs. 920
Solution : Given: A trader marks his goods in such a way that after allowing a discount of 10%, he gains 15% and his cost price is Rs. 720. Let the marked price = 100 units Discount = 10% So, the selling price = (100 –
Question : Direction: Arrange the following words as per order in the dictionary.
(A) Necrology
(B) Necromancy
(C) Necropolis
(D) Necrophilia
Option 1: (A), (B), (C), (D)
Option 2: (A), (B), (D), (C)
Option 3: (B), (A), (C), (D)
Option 4: (B), (A), (D), (C)
Correct Answer: (A), (B), (D), (C)
Solution : Given:
Start from Necrology because l comes before m
Necrology
Now, write Necromancy because m comes before p
Necromancy
Now, write Necrophilia because h comes before o
Necrophilia
Question : Direction: In the following question, the Number of letters skipped in between adjacent letters in the series is successive even numbers. Which of the following series observes this rule?
Option 1: ADGJM
Option 2: BEJQZ
Option 3: BDGKQ
Option 4: FINUZ
Correct Answer: BEJQZ
Solution : Let's check the option–
First option: ADGJM A + 3 = D; D + 3 = G; G + 3 = J; J + 3 = M This option does not follow the given pattern.
Second option: BEJQZ B + 3 = E; E +
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
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,
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