Staff Selection Commission Multi Tasking Staff Exam
Question : The carbon dioxide content in the air that we exhale is about
Option 1: 4 %
Option 2: 8 %
Option 3: 12 %
Option 4: 16 %
Correct Answer: 4 %
Solution : The correct option is - 4%
The amount of air that is inhaled has 21% oxygen and 0.04% carbon dioxide, whereas the amount of air that is expelled has 16% oxygen and 4% carbon dioxide. This is so because when we breathe, our cells
Question : Directions: Select the option in which the numbers are related in the same way as the numbers of the following sets. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) (1056, 11, 16); (480, 10, 8)
Option 1: (88, 2, 7)
Option 2: (110, 3, 6)
Option 3: (384, 8, 4)
Option 4: (90, 3, 5)
Correct Answer: (90, 3, 5)
Solution : Given: (1056, 11, 16); (480, 10, 8)
Like, (1056, 11, 16)→(11 × 16) × 6 = 176 × 6 = 1056 (480, 10, 8)→(10 × 8) × 6 = 80 × 6 = 480
Let's check each option – First option: (88, 2,
Question : What is the value of $\frac{72}{22} \times \frac{11}{3} \div \frac{21}{9}$ of $\frac{18}{7} ?$
Option 1: 6
Option 2: 36
Option 3: 8
Option 4: 2
Correct Answer: 2
Solution : $\frac{72}{22} \times \frac{11}{3} \div \frac{21}{9}$ of $\frac{18}{7}$ = $\frac{792}{66} \div \frac{21}{9}$ of $\frac{18}{7}$ = $\frac{132}{11} \div \frac{378}{63}$ = $\frac{132}{11} \div \frac{42}{7}$ = $\frac{924}{462}$ = $\frac{6}{3}$ = 2 Hence, the correct answer is 2.
Question : Directions: Select the related set of letters from the given alternatives. STAR : TSRA :: ROSE : ?
Option 1: ORSE
Option 2: ORES
Option 3: ESOR
Option 4: SORE
Correct Answer: ORES
Solution : Given: STAR : TSRA :: ROSE : ?
The first two letters of the word "STAR" have interchanged positions and the last two letters have also interchanged positions. Similarly, the first two letters of the word "ROSE", "R" and "O", will interchange positions. The last
Question : Select the INCORRECTLY spelt word.
Option 1: Crater
Option 2: Mantle
Option 3: Volkano
Option 4: Earthquake
Correct Answer: Volkano
Solution : The correct option is the third option.
Explanation: The correct spelling of the word is volcano, as it refers to a geological formation on the Earth's surface through which magma, gases, and ash erupt. The correct spelling will contain the consonant c in place of
Question : Select the most appropriate synonym to substitute the bracketed word in the given sentence. Unfortunately, he is merely the head of a rabble of warlords who are (firmly) rooted in the past.
Option 1: Feebly
Option 2: Languidly
Option 3: Stiffly
Option 4: Impotently
Correct Answer: Stiffly
Solution : The correct choice is the first option.
In this context, the most appropriate synonym for "firmly" is stiffly. The word "firmly" implies a resolute and unyielding connection to the past, suggesting a rigid adherence to outdated beliefs or practices.
The meanings of the other options
Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Ants, like most insects, have (1) ______ are known as compound eyes. This means their eyes have multiple lenses, (2) ______ in general, most species of ant do not have particularly great eyes for seeing (3) ______ far. Ants can detect movement and see the areas around them, but (4) ______ more on senses and information they get from their legs and antennae (5) ______ from their eyes.
Select the most appropriate option to fill in the blank number 4.
Option 1: calculate
Option 2: shout
Option 3: rely
Option 4: struggle
Correct Answer: rely
Rely means to be dependent on something. This helps convey the intended meaning that ants depend on their senses.
Question : Which Chola ruler built the Brihadeshwara Temple at Tanjore?
Option 1: Rajaraja I
Option 2: Rajendra I
Option 3: Vijayalaya
Option 4: Rajendra III
Correct Answer: Rajaraja I
Solution : The correct answer is Rajaraja I.
Rajaraja I, the king of the Chola Dynasty, constructed the Brihadeshwara Temple in the southeast of the capital city of Thanjavur in 1010, in the Kaveri (Cauvery) basin (r. 985–1014). In addition, the king's name, Rajarajeshwara Temple,
Question : The acid which is secreted by the glands in the stomach wall is
Option 1: Sulphuric acid
Option 2: Hydrochloric acid
Option 3: nitric acid
Option 4: Phosphoric acid
Correct Answer: Hydrochloric acid
Solution : The correct answer is hydrochloric acid.
Hydrochloric acid is released in stomach and it has a pH between 1.5 to 3.5. It is the main component of gastric juice and is released by parietal cells of gastric mucosa in the fundus and corpus. This
Question : Directions: In a certain code language, HORN is written as 8695 and LURP is written as 3397. How will BLUE be written in that language?
Option 1: 2365
Option 2: 2553
Option 3: 5223
Option 4: 2335
Correct Answer: 2335
Solution : Given: HORN is written as 8695 and LURP is written as 3397.
The alphabets of words are coded according to their positional values. Single digit positional value is written as it is whereas two digit positional values are added in themselves to obtain a single
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