Staff Selection Commission Sub Inspector Exam
Question : What are the most important health benefits of Vitamin D?
Option 1: Strengthening of bones and muscles
Option 2: Reducing the blood pressure
Option 3: Rapid growth after teenage years
Option 4: Elevation of heartbeat
Correct Answer: Strengthening of bones and muscles
Solution : The correct answer is the strengthening of bones and muscles.
Strong bones require Vitamin D, which is also beneficial for other bodily processes like immune system support. Because calcium and phosphorus are essential nutrients for healthy bones, they aid in
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".
These all (1) / mangoes (2) / are ripe. (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, as these all should be changed to all these.
"All these" is the correct order to indicate the entire group of mangoes being referred to as ripe, as "all" is a quantifier and "these" is
Question : Directions: In the following question, select the related number from the given alternatives. 17 : ? :: 145 : 195
Option 1: 42
Option 2: 35
Option 3: 30
Option 4: 24
Correct Answer: 35
Solution : Given: 17 : ? :: 145 : 195
Like, 145 : 195→122 + 1 = 144 + 1 = 145; 142 – 1 = 196 – 1 = 195 Here, 12 and 14 are consecutive even numbers. Similarly, follow the same pattern for
Question : What is the value of ‘a’ in the below equation? {(5 × 5 × 5 × 5 × 5 × 5)5 × (5 × 5 × 5 × 5 × 5)8} ÷ (5 × 5) = (625)a
Option 1: 14
Option 2: 17
Option 3: 16
Option 4: 15
Correct Answer: 17
Solution : Given: {(5 × 5 × 5 × 5 × 5 × 5)5 × (5 × 5 × 5 × 5 × 5)8} ÷ (5 × 5) = (625)a ⇒ {(56)5} × (55)8} ÷
Question : A shopkeeper lists the price of an article as Rs. 500. But he gives a certain discount which allows the buyer to pay Rs. 500 for the article including 10% sales tax. The rate of discount is:
Option 1: $10$%
Option 2: $10\frac{1}{11}$%
Option 3: $9\frac{1}{11}$%
Option 4: $12$%
Correct Answer: $9\frac{1}{11}$%
Solution : Given: A shopkeeper lists the price of an article as Rs. 500. The sales tax on the Selling Price is 10%. Let the Selling Price be $x$. So, $\frac{110x}{100}=500$ ⇒ $x=\frac{5000}{11}$ Discount = $500-\frac{5000}{11}=\frac{500}{11}$ So, discount percentage is $\frac{\frac{500}{11}}{500}×100=\frac{100}{11}=9\frac{1}{11}$% Hence, the correct answer is $9\frac{1}{11}$%.
Question : The average weight of 8 students is 48 kg. If four students with an average weight of 44 kg and four with an average weight of 58 kg are also added, then find the average weight of 16 students.
Option 1: 49.5 kg
Option 2: 48 kg
Option 3: 49 kg
Option 4: 48.5 kg
Correct Answer: 49.5 kg
Solution : The average weight of 8 students = 48 kg Sum of the weights of 8 students = 48 × 8 = 384 kg The average weight of 4 students = 44 kg Sum of the weights of 4 students = 44 × 4 =
Question : Directions: Based on the position in the English alphabetical order, three of the following letter clusters are alike in some manner and one is different. Select the odd letter cluster.
Option 1: QMKH
Option 2: PLJG
Option 3: ZTSQ
Option 4: WSQN
Correct Answer: ZTSQ
Solution : Let's check each option – First option: QMKH; Q – 4 = M; M – 2 = K; K – 3 = H Second option: PLJG; P – 4 = L; L – 2 = J; J – 3 = G Third option: ZTSQ; Z
Question : Select the most appropriate one-word substitution for the given group of words.
Study of environment
Option 1: pathology
Option 2: ecology
Option 3: cosmology
Option 4: radiology
Correct Answer: ecology
Solution : The correct answer is the second option.
Explanation: In the given group of words, study of the environment, the term that directly pertains to this field of study is ecology. Ecology is the scientific study of the relationships between living organisms and their
Question : Two pipes can fill a tank in 15 hours and 4 hours, respectively, while a third pipe can empty it in 12 hours. How long (in hours) will it take to fill the empty tank if all three pipes are opened simultaneously?
Option 1: $\frac{50}{7}$
Option 2: $\frac{15}{7}$
Option 3: $\frac{30}{7}$
Option 4: $\frac{20}{7}$
Correct Answer: $\frac{30}{7}$
Solution : Time to fill the tank by two pipes = 15 hours and 4 hours Time to empty the tank by third pipe = 12 hours Efficiency =$\frac{ \text{Total work}}{\text{Total time}}$ Let the total capacity of the tank be LCM of 15, 4, and 12 i.e.
Question : Directions: Kanna is taller than Malik. Dev is shorter than Krish whereas Krish is taller than Malik. Veena is shorter than Krish but taller than Malik and Dev is taller than Veena. Who is the shortest?
Option 1: Dev
Option 2: Kanna
Option 3: Veena
Option 4: Malik
Correct Answer: Malik
Solution : Given: (i) Kanna is taller than Malik. Kanna > Malik (ii) Dev is shorter than Krish whereas Krish is taller than Malik. Krish > Dev and Krish > Malik (iii) Veena is shorter than Krish but taller than Malik. Krish > Veena > Malik (iv)
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