Staff Selection Commission Sub Inspector Exam
Question : The heights of two right circular cones are in the ratio 1 : 5 and the perimeter of their bases are in the ratio 5 : 3. Find the ratio of their volumes.
Option 1: 8 : 11
Option 2: 7 : 6
Option 3: 5 : 9
Option 4: 3 : 4
Correct Answer: 5 : 9
Solution : The volume of a cone, where $r$ is the radius and $h$ is the height. $V = \frac{1}{3}\pi r^2 h$ Given that the heights of the cones are in the ratio 1 : 5. Let the height of the first cone be $h$
Question : Directions: In the following question, a sentence is given with blanks to fill in with appropriate words. Four alternatives are suggested; choose the correct alternative out of them as your answer.
Mr. Naimi, the chief secretary, was unceremoniously _________after party's __________defeat in general elections.
Option 1: exiled, predictable
Option 2: ousted, disastrous
Option 3: recommended, unexpected
Option 4: honoured, stupendous
Correct Answer: ousted, disastrous
Solution : The correct choice is the second option.
Ousted: To be forcefully removed from a position or place. This is the correct option, as it fits the context of Mr. Naimi being removed from his position as chief secretary.
Disastrous: Causing great damage or suffering;
Question : In the context of trans-fats, which of the following statements is not correct?
Option 1: They have a shorter shelf-life than natural fats.
Option 2: Their consumption increases LDL cholesterol and decreases HDL cholesterol.
Option 3: They are produced from the industrial process of hydrogenation.
Option 4: WHO has called for their elimination by 2023.
Correct Answer: They have a shorter shelf-life than natural fats.
Solution : The correct answer is They have a shorter shelf life than natural fats.
The shelf life is longer than that of natural fat. Additionally, consuming trans fats can increase LDL cholesterol and decrease HDL cholesterol. These fats
Question : Select the most appropriate ANTONYM of the given word. Ethical
Option 1: Discord
Option 2: Joyous
Option 3: Mourning
Option 4: Immoral
Correct Answer: Immoral
Solution : The correct answer is the fourth option.
The word "ethical" refers to principles of morality, honesty, and good conduct. The antonym, representing actions or behaviour that go against moral principles, is immoral". "Immoral" indicates a behaviour that is not in line with ethical standards and
Question : Directions: In a code language, DOUBLE is written as VPEFMC. How will CLIQUE be written in that language?
Option 1: JMDGVQ
Option 2: JMDFVS
Option 3: JMDFVR
Option 4: KNDFVR
Correct Answer: JMDFVR
Solution : Given: DOUBLE is written as VPEFMC.
Add 1 in the positional value of DOUBLE as shown, to obtain the required code –
Thus, DOUBLE is coded as VPEFMC. Similarly, by following the same pattern for CLIQUE –
CLIQUE will be coded as JMDFVR. Hence, the
Question : What are the values of R and M, respectively, if the given number is perfectly divisible by 16 and 11? 34R05030M6
Option 1: 4 and 6
Option 2: 7 and 5
Option 3: 5 and 5
Option 4: 5 and 7
Correct Answer: 5 and 5
Solution : Any number that has 4 or greater than 4 digits is divisible by 16 if and only if the last 4 digits of the number are divisible by 16. Last 4 digits = 30M6 $\frac{30M6}{16}$ should be a whole number. So M =
Question : If a nine-digit number 785$x$3678y is divisible by 72, then the value of ($x$ – $y$) is:
Option 1: –2
Option 2: 0
Option 3: 2
Option 4: –1
Correct Answer: 2
Solution : 785$x$3678y is divisible by 72. ⇒ 785$x$3678y is divisible by 8 and 9. 78$y$ is divisible by 8 only when $y$ = 4 So, the number becomes 785$x$36784. 785$x$36784 is divisible by 9 when the sum of digits of the number is divisible by 9.
Question : When was Khandesh merged into the Mughal empire by Akbar?
Option 1: 1601
Option 2: 1595
Option 3: 1597
Option 4: 1605
Correct Answer: 1601
Solution : The correct answer is 1601
The Khandesh sultanate was conquered by Mughal Emperor Akbar in 1601, and Burhanpur was made the capital of Khandesh Subah. The prince chose Burhanpur as his headquarters when Jahangir named his second son Parvez as ruler of the Mughal
Question : Chlorine gas is a major component of which of the following?
Option 1: Water
Option 2: Tear gas
Option 3: Liquefied petroleum gas
Option 4: Gobar gas
Correct Answer: Tear gas
Solution : The correct option is Tear gas.
Chlorine is a prominent component of tear gas, which is normally composed of a variety of chemicals, one of which is chloroacetophenone (CN) or chlorobenzalmalononitrile (CS), both of which decompose and create chlorine gas. Tear gas can
Question : Select the most appropriate ANTONYM of the given word.
IGNOBLE
Option 1: corrupt
Option 2: craven
Option 3: abject
Option 4: dignified
Correct Answer: dignified
Solution : The correct choice is the fourth option.
Ignoble is an adjective that is used to describe someone who lacks honour. It refers to actions or behaviour, considered shameful or not respectable.
Dignified is an adjective that is used to describe someone who possesses a
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