Staff Selection Commission Multi Tasking Staff Exam
Question : By which Indian scientist is the famous autobiography "Wings of Fire" written?
Option 1: Homi J. Bhabha
Option 2: C. V. Raman
Option 3: A. P. J. Abdul Kalam
Option 4: Vikram Sarabhai
Correct Answer: A. P. J. Abdul Kalam
Solution : The correct answer is A. P. J. Abdul Kalam.
Dr. A. P. J. Abdul Kalam, popularly known as the Missile Man of India, wrote his autobiography, Wings of Fire (1999). He co-wrote it with Arun Tiwari. In his autobiography, Kalam
Question : The price of electricity has been increased by 25%. If a person wants to keep the expenditure the same, then the percentage reduction in the use of electricity should be:
Option 1: 19
Option 2: 18
Option 3: 21
Option 4: 20
Correct Answer: 20
Solution : Let's assume the initial expenditure is 100. Expenditure after a price increase of 25% = 125 The consumption should be decreased in such a way that expenditure remains the same. Required Percentage to decrease consumption = $\frac{25}{125}$ × 100 = 20% Hence, the correct answer
Question : The country in East Asia which is most conspicuous for its decreasing population growth since 1981 is:
Option 1: South Korea
Option 2: Thailand
Option 3: China
Option 4: Japan
Correct Answer: Japan
Solution : The correct answer is Japan.
Japan stands out due to its slower population growth since 1981. Recent population statistics from China, Japan and South Korea indicate that these East Asian nations are experiencing negative population growth. There is a demographic crisis in Japan. Despite government
Question : Directions: Which answer figure will complete the question figure?
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.
Question : A sum of Rs. 1500 amounts to Rs. 2175 in 3 years at simple interest. If the rate of interest is increased by 3%, then what will be the new amount?
Option 1: Rs. 2310
Option 2: Rs. 2050
Option 3: Rs. 2460
Option 4: Rs. 2250
Correct Answer: Rs. 2310
Solution : The principal amount ($P$) is Rs. 1500, the time ($T$) is 3 years, and the simple interest = Rs. 2175 – Rs. 1500 = Rs. 675 If the rate of interest is increased by 3%, extra interest in 3 years $=\frac{1500×3×3}{100}=135$ New amount =
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.
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