Staff Selection Commission Sub Inspector Exam
Question : Pressure cooker cooks faster because:
Option 1: The boiling point decreases with the rise in pressure.
Option 2: It cooks the food at low pressure.
Option 3: A higher temperature is attained for cooking.
Option 4: The material of the cooker is a good conductor.
Correct Answer: A higher temperature is attained for cooking.
Solution : The correct option is a higher temperature is attained for cooking.
A pressure cooker provides a sealed atmosphere with high pressure and increased temperature, which speeds up the cooking process. Cooking times are shortened as a result of
Question : Who among the following was the Chairman of the Committee for the Draft National Education Policy, which was approved by the Union Cabinet in 2020?
Option 1: Madan Mohan Punchhi
Option 2: K. Kasturirangan
Option 3: Dharmendra Pradhan
Option 4: R. S. Sarkaria
Correct Answer: K. Kasturirangan
Solution : The correct answer is K. Kasturirangan.
The Chairman of the Committee for the Draft National Education Policy was K. Kasturirangan. The draft National Education Policy, which was approved by the Union Cabinet on July 29, 2020,.
It is the first education policy of
Question : Directions: A series is given below with one term missing. Choose the correct alternative from the given ones that will complete the series. GD, DI, AP, XY, ?
Option 1: UH
Option 2: IU
Option 3: ST
Option 4: UJ
Correct Answer: UJ
Solution : Given: GD, DI, AP, XY, ?
Subtract 3 from the positional value of the first letter and add consecutive odd numbers starting from 5 in increasing order to the positional value of the second number, to get the required missing term – GD→G – 3
Question : Which of the following Stupa sites is not located in Uttar Pradesh?
Option 1: Dhamek
Option 2: Ramabhar
Option 3: Chaukhandi
Option 4: Bharhut
Correct Answer: Bharhut
Solution : The correct option is Bharhut.
The state of Uttar Pradesh does not contain Bharhut. Bharhut is a historic location renowned for its archaeological artefacts, especially the Bharhut Stupa, which is well-known for its elaborately carved railings that portray various episodes from the life of
Question : An article was sold for INR 98,496 after providing three successive discounts of 10%, 5%, and 4% respectively on the marked price. What was the marked price?
Option 1: INR 1,20,000
Option 2: INR 1,10,700
Option 3: INR 1,20,200
Option 4: INR 1,20,500
Correct Answer: INR 1,20,000
Solution : For three successive discounts of 10%, 5%, and 4%, Selling price = $\frac{100-\text{Discount}_1\%}{100}× \frac{100-\text{Discount}_2\%}{100}×\frac{100-\text{Discount}_3\%}{100}×$ marked price $⇒ 98496=\frac{100-10}{100}×\frac{100-5}{100}×\frac{100-4}{100}×$ marked price $⇒ 98496=\frac{90}{100}×\frac{95}{100}×\frac{96}{100}×$ marked price $\therefore$ Mrked price $= 120000$ Hence, the correct answer is INR 1,20,000.
Question : A boy increases his speed to $\frac{9}{5}$th times of his original speed. By doing this, he reaches his school 40 minutes before the usual time. How much time (in minutes) does he usually take?
Option 1: 120
Option 2: 30
Option 3: 90
Option 4: 45
Correct Answer: 90
Solution : Let the speed of the boy be $x$ km/hr. Initial time = $t$ So, distance = $tx$ New time = $t-40$ New speed = $x × (\frac{9}{5})=\frac{9x}{5}$ According to the question, $tx=(t-40)\frac{9x}{5}$ $⇒5t=9t-360$ $⇒ 4t=360$ $\therefore t =90$ minutes Hence, the correct answer is 90.
Question : A class has five sections that have 25, 30, 40, 45, and 60 students, respectively. The pass percentages of these sections are 20%, 30%, 35%, 40%, and 100% respectively. The pass percentage of the entire class is:
Option 1: 87%
Option 2: 63%
Option 3: 53%
Option 4: 79%
Correct Answer: 53%
Solution : Total number of students = 25 + 30 + 40 + 45 + 60 = 200 Number of students pass in Section A = 25 × $\frac{20}{100}$ = 5 The number of students passed in Section B = 30 × $\frac{30}{100}$ = 9 The number
Question : Direction: The following pie chart shows the monthly expenses on food, house rent, clothing, education, fuel, and miscellaneous. Study the pie chart and answer the question. If the expenditure on food is Rs. 9000, then for education it is how much?
Option 1: Rs. 5000
Option 2: Rs. 5200
Option 3: Rs. 5400
Option 4: Rs. 6000
Correct Answer: Rs. 5400
Solution : Given: 30% of total income = Rs. 9000 1% of total income = $\frac{9000}{30}$ = Rs. 300 Expenditure on education = 18% ∴ 18% of total income = 300 × 18 = Rs. 5400 Hence, the correct answer is Rs. 5400.
Question : A shopkeeper claims to sell his articles at INR 20 per kg which cost him INR 23 per kg. But while selling, he uses a false weight and gives only 800 gm instead of 1 kg. What is his profit percentage?
Option 1: $8 \frac{17}{23} \%$
Option 2: $8 \frac{16}{23} \%$
Option 3: $8 \frac{14}{23} \%$
Option 4: $8 \frac{15}{23} \%$
Correct Answer: $8 \frac{16}{23} \%$
Solution : The cost price of 1000 gm of article = INR 23 Cost of 800 gm of article = $\frac{23}{1000}\times800=18.4$ The selling price of 800 gm article = INR 20 Profit = 20 – 18.4 = 1.6 Profit percentage = $\frac{\text{Profit}}{\text{Cost price}}\times 100$ =
Question : Directions: Identify the figure that completes the pattern.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : On comparing the question figure and all the answer figures, the following figure will combine and make the complete pattern –
Hence, the third option is correct.
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