Staff Selection Commission Multi Tasking Staff Exam
Question : The reaction between an acid and a base to give a salt and water is called______.
Option 1: neutralisation reaction
Option 2: combination reaction
Option 3: displacement reaction
Option 4: decomposition reaction
Correct Answer: neutralisation reaction
Solution : The correct answer is the neutralisation reaction.
Since energy is released during an acid-base interaction, which neutralises each other's effects, the process is known as a neutralisation reaction and is exothermic.
This reaction yields water and salt as its products.
Acid +
Question : In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the idiom or phrase.
On account of
Option 1: To settle dues
Option 2: To make excuses
Option 3: Because of
Option 4: To mark one's territory
Correct Answer: Because of
Solution : The third option is correct.
The given idiom "on account of" means because of or due to a particular reason or cause. It is used to explain the reason or cause behind an action or situation.
Question : Directions: Select the option related to the third word in the same way as the second word is related to the first word. Canberra : Australia :: Doha : ?
Option 1: Qatar
Option 2: Iran
Option 3: Yemen
Option 4: Kuwait
Correct Answer: Qatar
Solution : Given: Canberra : Australia :: Doha : ? (This depicts the relation of the capital and the country.)
Let's check each option – First option: Doha; Doha is the capital of Qatar. Second option: Iran; The country in the Middle East. Third option: Yemen; The
Question : Directions: In the following question, select the one that is different from the other three alternatives.
Option 1: ECDBA
Option 2: OMNLK
Option 3: WUVTS
Option 4: SRTQP
Correct Answer: SRTQP
Solution : Let's check the options – First option: ECDBA→E – 2 = C; C + 1 = D; D – 2 = B; B – 1 = A Second option: OMNLK→O – 2 = M; M + 1 = N; N – 2 = L; L
Question : Which one among the following doesn't have any effect on the velocity of sound?
Option 1: Pressure
Option 2: Temperature
Option 3: Humidity
Option 4: Density
Correct Answer: Humidity
Solution : The correct option is Humidity.
While humidity can affect the speed of sound in the air to some extent, it has a negligible impact when compared to other parameters such as temperature, pressure, and density. Changes in humidity (the quantity of water vapour in
Question : Identify the segment that contains a grammatical error. If there is no error, select 'No Error'. Do you think I'd rather / be stuck in a room with that old / toad or be played Quidditch?
Option 1: Do you think I'd rather
Option 2: toad or be played Quidditch?
Option 3: be stuck in a room with that old
Option 4: No Error
Correct Answer: toad or be played Quidditch?
Solution : The error lies in the second option.
Explanation: The error lies in the structure of the sentence, where the verb is played is incorrect. The correct form should be the infinitive form play to maintain parallelism with the structure of
Question : Directions: Select the option in which the given figure is embedded (rotation is NOT allowed).
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Since the rotation is restricted. So, the embedded figure will have the same orientation as the main figure. By comparison of the question figure with all the option figures, it is evident that the given question figure is embedded only in the fourth option figure.
Hence,
Question : Sri Harmandir Sahib is situated in which city of Punjab?
Option 1: Bathinda
Option 2: Amritsar
Option 3: Kapurthala
Option 4: Patiala
Correct Answer: Amritsar
Solution : The correct answer is Amritsar.
Sri Harmandir Sahib, or Sri Darbar Sahib, is named after Hari(God), the temple of God. It is also known as the Golden Temple because of its scenic beauty and golden coating. Guru Arjan Dev Ji, the
Question : Directions: Select the option figure in which the given figure is embedded as its part (rotation is NOT allowed).
Solution : Since the rotation is restricted. So, the embedded figure will have the same orientation as the main figure. By comparison of all the option figures, the given question figure is embedded only in the first option figure.
Hence, the first option is correct.
Question : The pie chart given below shows the number of trucks manufactured by six companies in a year. The total number of trucks manufactured by all these Six companies is 1800. The number of trucks manufactured by a particular company is shown in terms of degree with respect to the total number of trucks manufactured by all these Six companies. The number of trucks manufactured by D and F together is what percent of the number of trucks manufactured by G and I together?
Option 1: 140.2 percent
Option 2: 220.2 percent
Option 3: 260.4 percent
Option 4: 234.3 percent
Correct Answer: 220.2 percent
Solution : The number of trucks manufactured by D and F together = 150° + 46° = 196° The number of trucks manufactured by G and I together = 22° + 67° = 89° According to the question: Required percentage = $\frac{196°}{89°}$ × 100 = 220.2
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