Staff Selection Commission Sub Inspector Exam
Question : If $x+y+z=19, x y z=216$ and $x y+y z+z x=114$, then the value of $x^3+y^3+z^3+x y z$ is:
Option 1: 1225
Option 2: 1441
Option 3: 361
Option 4: 577
Correct Answer: 1225
Solution : $x + y + z = 19$ --------------(1) $xyz = 216$ --------------------(2) $xy + yz + zx= 114$ -----------(3) Squaring both sides in equation (1) $(x + y + z)^2 = 19^2$ $⇒x^2 + y^2 + z^2 + 2(xy + yz + zx) = 361$
Question : Select the most appropriate phrasal verb to fill in the blank. Though Pradeep _____________ for Jamaica, he landed up in Nigeria.
Option 1: set aside
Option 2: set about
Option 3: set out
Option 4: set up
Correct Answer: set out
Solution : The third option is correct.
The given context implies that Pradeep initiated his journey with the destination in mind (Jamaica), but circumstances or events led him to end up in Nigeria. hence set out is the appropriate phrasal verb that means to begin
Question : Directions: Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis. 4 × 5 = 42 5 × 6 = 56 6 × 7 = 72 7 × 8 = ?
Option 1: 84
Option 2: 90
Option 3: 92
Option 4: 102
Correct Answer: 90
Solution : Given: 4 × 5 = 42; 5 × 6 = 56; 6 × 7 = 72; 7 × 8 = ?
Add 2 to each number and then multiply the resultant numbers, to get the required missing number – 4 × 5 = 42→(4 +
Question : Direction: In the following question, some parts of the sentences have errors and some are correct. Find out which part of a sentence has an error. The number of that part is the answer. If a sentence is free from error, your answer is No error.
Do not (1) / get panicked (2) / in emergencies. (3) / No error. (4)
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The error lies in the second part of the sentence.
In part (2), the word "panicked" is not the correct form to use here. Instead, the correct adjective form is "panicky" to describe the state of being in a panic or feeling anxious in emergencies.
Question : Grammy Award is given in the field of:
Option 1: literature
Option 2: music
Option 3: science
Option 4: inventions and discoveries
Correct Answer: music
Solution : The correct option is music.
The Recording Academy of the United States presents the Grammy Awards, also known simply as the Grammys, to honour "outstanding" accomplishments in the music industry. It was first awarded on May 4, 1959. On February 5, 2023, the 65th
Question : Directions: Select the option that is related to the third letter cluster in the same way as the second letter cluster is related to the first letter cluster. CROW : XILD :: SPONGE :?
Option 1: HKLMTV
Option 2: FJLMTV
Option 3: HKLPRV
Option 4: HKLMSY
Correct Answer: HKLMTV
Solution : Given: CROW : XILD :: SPONGE : ?
Write opposite letter pairs of each letter of the given term to obtain the required term. C→X; R→I; O→L W→D Thus, CROW is coded as XILD. Similarly, follow the same pattern for SPONGE – S→H; P→K; O→L;
Question : Directions: Select the option that represents the correct order of the given words as they would appear in an English dictionary. 1. Jalopy 2. Jabber 3. Jackpot 4. Jackdaw 5. Jackal
Option 1: 2, 5, 4, 3, 1
Option 2: 4, 5, 2, 3, 1
Option 3: 3, 2, 4, 5, 1
Option 4: 2, 4, 3, 1, 5
Correct Answer: 2, 5, 4, 3, 1
Solution : Given: 1. Jalopy 2. Jabber 3. Jackpot 4. Jackdaw 5. Jackal
Step 1: Compare the first letter of each word, since all the words start with the same letter J, then move on to the next letter. Step 2: The
Question : People, such as small farmers and seasonal labourers, who regularly move in and out of the poverty line are classified as__________.
Option 1: occasional poor
Option 2: churning poor
Option 3: always poor
Option 4: usually poor
Correct Answer: churning poor
Solution : The correct answer is churning poor.
The term commonly used to describe people, such as small farmers and seasonal labourers, who regularly move in and out of the poverty line is "churning poor." The concept of churning poverty reflects the dynamic nature of their
Question : Directions: Select the correct mirror image of the given combination when the mirror is placed at PQ as shown below.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear close to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure (on Line PQ). So, the left side of the reflected image will appear
Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series. 61, 95, 138, 197, 279, (?)
Option 1: 397
Option 2: 389
Option 3: 391
Option 4: 395
Correct Answer: 391
Solution : Given: 61, 95, 138, 197, 279, ?
The pattern is as follows –
So, 391 is the required missing number in the series. Hence, the third option is correct.
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