Staff Selection Commission Sub Inspector Exam
Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
Rohan has no acquaintance (from) Sourabh.
(1) of
(2) on
(3) with
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 3
Solution : The correct choice is the third option.
The preposition from should be replaced with with to convey the intended meaning that Rohan does not know Sourabh. With is the correct preposition used with acquaintance, which means to be familiar with someone.
Therefore, the correct
Question : If $a^2+b^2+1=2 a$, then the value of $a^4+b^7$ is:
Option 2: 0
Option 3: 2
Correct Answer: 1
Solution : Given: $a^2+b^2+1=2 a$ ⇒ $a^2+b^2+1-2a=0$ ⇒ $a^2+1-2a+b^2=0$ ⇒ $(a-1)^2+b^2=0$ If the sum of the squares of two numbers is zero then both the numbers are zero. So, $(a-1)=0$ and $b=0$ $\therefore a=1,b=0$ Putting the values, we get $a^4+b^7=1+0=1$ Hence, the correct answer is 1.
Question : Directions: In the following question, some parts of the sentence may have some 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."
It began to rain as soon as we stepped out of the house.
(1) out of the house.
(2) as soon as we stepped
(3) It began to rain
(4) No Error
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (4)
Solution : There is no error in the sentence. Therefore, the answer is the fourth option.
The sentence in the question is grammatically correct and flows well. It doesn't need any change and conveys the intended meaning that, immediately after leaving the house, rain had started to
Question : Directions: In a certain code language, ACTION is written as TXANLI, and DEBATE is written as BVDEGA. How will CHANGE be written in that language?
Option 1: ATHFN
Option 2: HRPEIU
Option 3: BJDLER
Option 4: ASCETN
Correct Answer: ASCETN
Solution : Given: ACTION is written as TXANLI and DEBATE is written as BVDEGA.
Change the position of letters and write opposite letters of the second and fifth letter of ACTION, to obtain the required code –
Thus, ACTION is written as TXANLI. And in, DEBATE is
Question : In which state of India is the Tawa dam located?
Option 1: Uttar Pradesh
Option 2: Haryana
Option 3: Rajasthan
Option 4: Madhya Pradesh
Correct Answer: Madhya Pradesh
Solution : The correct option is Madhya Pradesh.
The Tawa Dam is located in the state of Madhya Pradesh, India. It is situated on the Tawa River in the Hoshangabad district of Madhya Pradesh. Tawa is a tributary of the Narmada River. The primary purpose
Question : Who among the following is known as 'Bismarck of India'?
Option 1: Sardar Vallabhbhai Patel
Option 2: Bhagat Singh
Option 3: Swami Vivekananda
Option 4: Lala Lajpat Rai
Correct Answer: Sardar Vallabhbhai Patel
Solution : The correct answer is Sardar Vallabhbhai Patel.
As the initial Home Minister, and Deputy Prime Minister of Free India, Sardar Vallabhbhai Patel spearheaded the effort to consolidate the 562 princely states of the country into a unified, sovereign nation. He is comparable
Question : Directions: The diagram given below represents the owner, broker, and worker. Identify the region which represents all three i.e., owner broker, and worker.
Option 1: L
Option 2: T
Option 3: P
Option 4: R
Correct Answer: T
Solution : According to the question, need to find a letter which is common in all three regions and, in the below diagram, the shaded part represents the region common to the owner, broker and worker.
So, T is the region that represents all three i.e., owner
Question : Directions: If ÷ means −, − means ×, × means +, + means ÷, what will come in place of the question mark (?)? 132 + 6 – 9 × 13 ÷ 31 = ?
Option 1: 180
Option 2: 206
Option 3: 216
Option 4: 208
Correct Answer: 180
Solution : Given: 132 + 6 – 9 × 13 ÷ 31 = ?
On interchanging the mathematical signs, we get – = 132 ÷ 6 × 9 +13 − 31 = 22 × 9 +13 − 31 = 198 + 13 − 31 = 211 –
Question : Which of the following tests helps in diagnosis of cancer ?
Option 1: Urine test
Option 2: Blood test
Option 3: Biopsy
Option 4: X-Ray
Correct Answer: Biopsy
Solution : The correct option is Biopsy.
A biopsy is a medical technique that is widely used to diagnose cancer. A biopsy involves the removal of a tiny sample of tissue or cells from the suspected cancerous region or tumour, which is then inspected under a microscope
Question : What is a Strait?
Option 1: A water body separating two land masses
Option 2: A narrow strip of land separating two water bodies
Option 3: Deep penetration of a water body in land
Option 4: None of these
Correct Answer: A water body separating two land masses
Solution : The correct answer is A water body separating two land masses.
A strait is a 'thin body of water linking two bigger bodies of water' or a 'water body which separates two landmasses.' Examples - The Strait of Gibraltar,
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