Staff Selection Commission Multi Tasking Staff Exam
Question : Which of the following laws states that with the temperature remaining constant, the volume of a given mass of a gas varies inversely with the pressure of the gas?
Option 1: Graham's Law
Option 2: Kepler's Law
Option 3: Charles's Law
Option 4: Boyle's Law
Correct Answer: Boyle's Law
Solution : The correct option is Boyle's Law.
The statement is known as Boyle's Law. It describes the relationship between the pressure and volume of a gas at a constant temperature. Boyle's Law states that as the pressure increases, the volume decreases and vice versa,
Question : Loss of water in plants in the form of liquid is known as:
Option 1: transpiration
Option 2: osmosis
Option 3: guttation
Option 4: imbibition
Correct Answer: guttation
Solution : The correct option is guttation.
Guttation is the process by which plants pass liquid water from their leaf tips due to root pressure, which occurs when water absorption exceeds transpiration, which occurs frequently in the morning or humid weather. Guttation occurs via specialised structures
Question : Directions: Two statements are given followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some songs are snow. Some snow is shoes. Conclusions: I. Some shoes are snow. II. Some snow is songs.
Option 1: Only conclusion I follows
Option 2: Neither conclusion I nor II follows
Option 3: Only conclusion II follows
Option 4: Both conclusions I and II follow
Correct Answer: Both conclusions I and II follow
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): Some shoes are snow – From the Venn diagram, it is evident that the circles representing shoes and snow overlap
Question : As per Census 2011, what is the Total Fertility Rate in India? (provide an approximate range)
Option 1: 3.1-3.9
Option 2: 2.1-2.9
Option 3: 4.1-4.9
Option 4: 5.1-5.9
Correct Answer: 2.1-2.9
Solution : The correct answer is 2.1-2.9.
The Total Fertility Rate (TFR) is a measure that indicates the total number of children a woman is expected to have during her lifetime based on the prevailing age-specific fertility rates in the population. According to the 2011 Census
Question : Directions: In a certain code language, CASHEW is written as WEHSAC. How will FLORAL be written in that language?
Option 1: LAORLF
Option 2: LAROLF
Option 3: LAROFL
Option 4: ALROLF
Correct Answer: LAROLF
Solution : Given: CASHEW is written as WEHSAC.
Follow the pattern to obtain the required code – Thus, CASHEW is coded as WEHSAC. Similarly, follow the same pattern for FLORAL –
So, FLORAL is coded as LAROLF. Hence, the second option is correct.
Question : Select the most appropriate ANTONYM of the underlined word. Suggesting that Irish inflation may have a knock-on effect on the euro zone is fatuous and absurd.
Option 1: Relevant
Option 2: Serious
Option 3: Meek
Option 4: Sensible
Correct Answer: Sensible
Solution : The fourth option is the correct answer.
"Fatuous" means silly or foolish, indicating a lack of intelligence or seriousness. In contrast, "sensible" means practical, reasonable, or showing good judgement.
The meanings of other options are as follows:
Question : The Festival of "Hola Mohalla" is celebrated by which community?
Option 1: Jains
Option 2: Parsi
Option 3: Sikh
Option 4: Buddhist
Correct Answer: Sikh
Solution : The correct answer is Sikh.
The Hola Mohalla Festival, observed immediately after Holi, is a significant event in Anandpur Sahib, lasting three days. Originating from Guru Gobind Singh's initiative for Sikh military exercises, the festival involves mock battles and martial arts parades. Sikhs gather to
Question : The pie chart given below shows the number of mobile phones sold by six companies in a year. The total number of mobile phones sold by six companies is 300. Number of mobile phones sold by a particular company is shown as a percentage of total number of mobile phones sold by all these six companies. What is the average number of mobile phones sold by Q and S?
Option 1: 45
Option 2: 60
Option 3: 75
Option 4: 80
Correct Answer: 60
Solution : Total mobile phones sold by six companies = 300 Total mobile phones sold by Q = $\frac{25}{100}\times300=75$ Total mobile phones sold by R = $\frac{15}{100}\times300=45$ Average = $\frac{\text{Total phones sold by Q and R}}{2}=\frac{75+45}{2}=60$ Hence, the correct answer is 60.
Question : Directions: After interchanging which two signs will the value of the given expression be 356? 133 + 49 – 16 ÷ 2 × 34
Option 1: + and –
Option 2: – and ÷
Option 3: × and +
Option 4: ÷ and ×
Correct Answer: + and –
Solution : Given: 133 + 49 – 16 ÷ 2 × 34 = 356
Let's check each option – First Option: + and – On interchanging the mathematical signs, we get – 133 – 49 + 16 ÷ 2 × 34 = 356 On solving
Question : What is the least number of students in a class such that they can make rows of 10,15 and 20 and also the total number of students is a perfect square?
Option 1: 6400
Option 2: 1600
Option 3: 900
Option 4: 1800
Correct Answer: 900
Solution : The prime factorization of the numbers is as follows: ⇒ 10 = 2 × 5 ⇒ 15 = 3 × 5 ⇒ 20 = 22× 5 Least Common Multiple (LCM) of 10, 15, and 20 = 22 × 3 × 5 =
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