Staff Selection Commission Sub Inspector Exam
Question : Select the most appropriate ANTONYM for the highlighted word. The negligent attitude of the cops was criticised.
Option 1: attentive
Option 2: reluctant
Option 3: amplify
Option 4: bored
Correct Answer: attentive
Solution : The correct choice is the first option.
Explanation: Negligent: Failing to take proper care or showing a lack of attention or concern. Attentive (antonym): Showing care, consideration, or paying close attention to detail.
The meanings of the other options are as follows:
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".
Three summons have been (1) / issued by the district court, (3) / but he has not turned up yet. (3) / No Error (4)
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 1
Solution : The error lies in the first part of the sentence.
The word "summons" used here should be replaced with the plural "summonses" since the plural form of summons is "summonses".
Therefore, the correct sentence should be: "Three summonses have been issued by the district court,
Question : Which among the following is a greenhouse gas?
I. Methane
II. Carbon dioxide
III. Nitrogen dioxide
Option 1: I and II
Option 2: I and III
Option 3: II and III
Option 4: All the above
Correct Answer: I and II
Solution : The correct option is I and II.
Carbon dioxide, methane, nitrous oxide, hydrochlorofluorocarbons (HCFCs) and ozone in the lower atmosphere are the main greenhouse gases. The most significant greenhouse gas released by human activity is carbon dioxide (CO2).
Question : A sells a car priced at Rs. 36000. He gives a discount of 8% on the first Rs. 20,000 and 5% on the remaining Rs. 16,000. B also sells a car of the same make, priced at Rs. 36000. He gives a discount of 7% on the total price. Calculate the actual prices charged by A and B for the cars.
Option 1: A = Rs. 33,500 B = Rs. 33,400
Option 2: A = Rs. 33,480 B = Rs. 33,600
Option 3: A = Rs. 33,450 B = Rs. 33,650
Option 4: A = Rs. 33,600 B = Rs. 33,480
Correct Answer: A = Rs. 33,600 B = Rs. 33,480
Solution : Selling price of A = Rs. 36000 Total discount by A = $20000 \times \frac{8}{100}+16000 \times \frac{5}{100}$ = 1600 + 800 = Rs. 2400 $\therefore$ Actual price charged by A = Rs. 36000 − Rs. 2400 = Rs.
Question : Directions: A piece of paper is folded and cut as shown below in the question figures. From the given option figures, indicate how it will appear when opened.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : When the given folded paper is unfolded, it will look like –
Hence, the second option is correct.
Question : What is the brain of the computer called?
Option 1: CPU
Option 2: Motherboard
Option 3: HDD
Option 4: Hardware
Correct Answer: CPU
Solution : The correct answer is CPU.
The central processing unit (CPU) is the computer's brain. The CPU is a chip with millions of transistors. It is in charge of carrying out orders and processing data. The CPU is the most critical component of a computer and
Question : Directions: Three of the following four-letter clusters are alike in a certain way and one is different. Pick the odd one out.
Option 1: PVK
Option 2: OUL
Option 3: QUK
Option 4: MSN
Correct Answer: QUK
Solution : Let's check each option – First option: PVK; P + 6 = V; P and K are opposite pairs. Second option: OUL; O + 6 = U; O and L are opposite pairs. Third option: QUK; Q + 4 = U; Q and K are
Question : Two stones of different masses are dropped simultaneously from the top of the building:
Option 1: smaller stone reaches the ground earlier.
Option 2: larger stone reaches the ground earlier.
Option 3: both the stones reach the ground at the same time.
Option 4: depends on the composition of the stone.
Correct Answer: both the stones reach the ground at the same time.
Solution : The correct option is both the stones reach the ground at the same time.
When two stones of different masses are dropped from the top of a building at the same time, they will descend
Question : Two pipes A and B can fill a tank in 12 hours and 18 hours, respectively. Both pipes are opened simultaneously. In how much time will the empty tank be filled completely?
Option 1: 9 hours 30 minutes
Option 2: 8 hours
Option 3: 7 hours 12 minutes
Option 4: 10 hours 24 minutes
Correct Answer: 7 hours 12 minutes
Solution : Hourly work of pipe A = $\frac{1}{12}$ Hourly work of pipe B = $\frac{1}{18}$ Hourly work of pipe A and B = $\frac{1}{12}+\frac{1}{18}$ = $\frac{15+10}{180}$ = $\frac{25}{180}$ = $\frac{5}{36}$ Thus, the tank can be filled completely in $\frac{36}{5}$ hrs = 7.2 hrs
Question : Directions: A piece of paper is folded and cut as shown below in the question figures. From the given option figures, select the option that indicates how it will appear when opened.
Hence, the third option is correct.
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