Staff Selection Commission Combined Graduate Level Exam
Question : Directions: If A means –, C means ×, D means ÷, and E means +, then 14 C 3 A 12 E 4 D 2 = ?
Option 1: 6
Option 2: 17
Option 3: 28
Option 4: 32
Correct Answer: 32
Solution : Given: 14 C 3 A 12 E 4 D 2 = ?
After replacing the letters with mathematical signs, the equation becomes – = 14 × 3 –12 + 4 ÷ 2 = 14 × 3 –12 + 2 = 42 –12 + 2 =
Question : Directions: In the following question, some parts of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No Error."
You should avoid (1) / to travel (2) / in the rush hour. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (2)
Solution : There is an error in the second part of the sentence as "to travel" is not needed after "avoid." The verb "avoid" is followed by the gerund form of the verb, so it should be "avoid travelling" instead of "to travel."
The correct sentence is
Question : Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution’.
Rita will never have changed her job if she had been promoted.
Option 1: No substitution
Option 2: should never have
Option 3: would never have
Option 4: shall never have
Correct Answer: would never have
Solution : The correct choice is the third option.
Explanation: When expressing a hypothetical or unreal condition in the past, the correct structure is, "If + past perfect + would have + past participle". The use of "would have" is appropriate to convey
Question : Select the option that expresses the given sentence in active voice. I was fascinated by the movie.
Option 1: The movie fascinated me.
Option 2: The movie was fascinated to me.
Option 3: The movie fascinate me
Option 4: The movie fascinates me.
Correct Answer: The movie fascinated me.
Solution : The correct choice is the first option.
Active voice emphasises the doer of the action, while passive voice emphasises the receiver. To convert passive to active, we make the subject perform the action and rephrase the verb.
The structure of the
Question : The official enumeration of population done periodically is called ______.
Option 1: census
Option 2: demographic count
Option 3: estimation
Option 4: record
Correct Answer: census
Solution : The correct answer is the census.
The official enumeration of the population done periodically is called a "census." The primary purpose of a census is to gather accurate and detailed information about the population, which includes data on demographics (age, gender, race, etc.), economic
Question : Directions: A number has been denoted to each of the given letters. Select the option from the following four possible arrangements of these numbers that form a meaningful word. E = 1, N = 2, T = 3, S = 4, T = 5, D = 6, U = 7
Option 1: 4, 3, 7, 6, 1, 2, 5
Option 2: 2, 1, 4, 3, 6, 7, 5
Option 3: 4, 3, 7, 1, 6, 5, 2
Option 4: 2, 1, 4, 6, 3, 5, 7
Correct Answer: 4, 3, 7, 6, 1, 2, 5
Solution : Given: E = 1, N = 2, T = 3, S = 4, T = 5, D = 6, U = 7
Let's check the given options – First option: 4, 3, 7, 6, 1, 2, 5→STUDENT Second option:
Question : Directions: In a certain coded language, hit ka tom is written as tie the shoes, ka lo fod is written as shoes of leather, and lo tin lot is written as leather and rexine. How is of written in this code language?
Option 1: fod
Option 2: ka
Option 3: lo or fod
Option 4: tin
Correct Answer: fod
Solution : Given: 1. hit ka tom⇒tie the shoes 2. ka lo fod⇒shoes of leather 3. lo tin lot⇒leather and rexine
By comparing all the three coded sentences, we find that – In sentences 1 and 2, shoes and ka are common. In sentences 2 and 3,
Question : If $a+\frac{1}{a}=7$, then $a^5+\frac{1}{a^5}$ is equal to:
Option 1: 15127
Option 2: 13127
Option 3: 14527
Option 4: 11512
Correct Answer: 15127
Solution : Given: $a+\frac{1}{a}=7$----------------(1) Squaring both sides we get, ⇒ $a^2+\frac{1}{a^2}+2×a×\frac{1}{a}=49$ ⇒ $a^2+\frac{1}{a^2}=49-2=47$ ------------------(2) Now cubing equation 1 we get, ⇒ $a^3+\frac{1}{a^3}+3a×\frac{1}{a}(a+\frac{1}{a})=7^3$ ⇒ $a^3+\frac{1}{a^3}+3×7=343$ ⇒ $a^3+\frac{1}{a^3}=343-21=322$ ----------------(3) Multiplying equations 2 and 3 we get ⇒ $a^5+a+\frac{1}{a}+\frac{1}{a^5}=47×322$ ⇒ $a^5+\frac{1}{a^5}=47×322-(a+\frac{1}{a})$ ⇒ $a^5+\frac{1}{a^5}=47×322-7$ $\therefore a^5+\frac{1}{a^5}=15127$ Hence, the correct answer is
Question : Which number among 98984, 98992, 98998, and 99008 is NOT divisible by 8?
Option 1: 98998
Option 2: 98992
Option 3: 98984
Option 4: 99008
Correct Answer: 98998
Solution : To be divisible by 8, the last three digits of a number must form a multiple of 8 (a) 98984: The last three digits are 984, a multiple of 8 (8 * 123). So, 98984 is divisible by 8. (b) 98992: The last three digits
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error."
Of the billions of stars in the galaxy, (1) / how much are (2) / suitable for life? (3) / No Error (4)
Solution : The error lies in the second part of the sentence.
"Much" should be replaced with "many", as "much" is used to refer to large quantities that are uncountable in nature, whereas "many" is used to refer to large quantities that are countable in nature. It
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