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Staff Selection Commission Sub Inspector Exam

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Question : Vijay and Sahil together complete a piece of work in 40 days, Sahil and Ranjit can complete the same work in 48 days and Ranjit and Vijay can complete the same in 60 days. In how many days can all three complete the same work while working together?

Option 1: 16 days

Option 2: 24 days

Option 3: 32 days

Option 4: 38 days

Team Careers360 13th Jan, 2024

Correct Answer: 32 days


Solution : Given: Vijay(V) and Sahil(S) complete a work in 40 days.
Sahil(S) and Ranjit(R) can complete the same work in 48 days.
Ranjit(R) and Vijay(V) can complete the same work in 60 days.
Total work is LCM of (40, 48, 60) = 240 units
Efficiency

11 Views

Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer.

The members could not arrive at a ________ regarding the issue.

Option 1: judgment

Option 2: action

Option 3: policy

Option 4: consensus

Team Careers360 16th Jan, 2024

Correct Answer: consensus


Solution : The correct choice is the fourth option.

It means a general agreement, the judgement arrived at by most of those concerned. This is the correct option, as it aligns with the context of the sentence, indicating that the members could not reach a general agreement

22 Views

Question : A place where there is constant intermingling of salt water and fresh water is ____

Option 1: Estuary 

Option 2: Delta

Option 3: Gulf

Option 4: Bay

Team Careers360 18th Jan, 2024

Correct Answer: Estuary 


Solution : The correct answer is estuary.

Estuaries are found usually on the Western Ghats. It is a partially enclosed place where fresh water from rivers and ocean water meets. These regions are ecologically more productive and form a zone of transition from fresh water to salty

17 Views

Question : If $A+\frac{1}{1+\frac{1}{2+\frac{1}{3}}}=\frac{9}{10}$, then the value of A is:

Option 1: $\frac{1}{5}$

Option 2: $\frac{3}{10}$

Option 3: $\frac{2}{5}$

Option 4: $\frac{1}{10}$

Team Careers360 14th Jan, 2024

Correct Answer: $\frac{1}{5}$


Solution : Given: $A+\frac{1}{1+\frac{1}{2+\frac{1}{3}}}=\frac{9}{10}$
⇒ $A+\frac{1}{1+\frac{1}{\frac{7}{3}}}=\frac{9}{10}$
⇒ $A+\frac{1}{1+\frac{3}{7}}=\frac{9}{10}$
⇒ $A+\frac{1}{\frac{10}{7}}=\frac{9}{10}$
⇒ $A+\frac{7}{10}=\frac{9}{10}$
⇒ $A=\frac{9}{10}-\frac{7}{10}=\frac{2}{10}=\frac{1}{5}$
Hence, the correct answer is $\frac{1}{5}$.

13 Views

Question : Directions: Select the word pair that best represents a similar relationship to the one expressed in the pair of words given below.
Master : Disciple :: ? : ?

Option 1: Coach : Player

Option 2: Cup : Plate

Option 3: Tea : Coffee

Option 4: Doctor : Medicine

Team Careers360 19th Jan, 2024

Correct Answer: Coach : Player


Solution : Given:
Master : Disciple (A master is someone who teaches or mentors, and a disciple is someone who learns or follows the master's teachings.)

Let's check the options –
First option: Coach : Player; A coach is someone who guides and trains and

14 Views

Question : If $\frac{A}{L}+\frac{M}{B}=1$ and $\frac{B}{M}+\frac{N}{C}=1$, then the value of $\frac{L}{A}+\frac{C}{N}$ is:

Option 1: $\frac{B}{M}$

Option 2: 0

Option 3: 1

Option 4: $\frac{M}{B}$

Team Careers360 20th Jan, 2024

Correct Answer: 1


Solution : Given: $\frac{A}{L}+\frac{M}{B}=1$............................(equation 1)
$\frac{B}{M}+\frac{N}{C}=1$.................................(equation 2)
Now,
$\frac{A}{L}+\frac{M}{B}=1$
⇒ $\frac{A}{L}=\frac{B-M}{B}$
⇒ $\frac{L}{A}=\frac{B}{B-M}$
Similarly, $\frac{C}{N}=\frac{M}{M-B}$
Putting the values in $\frac{L}{A} + \frac{C}{N}$, we get:
$\frac{L}{A} + \frac{C}{N} =\frac{B}{B-M}+\frac{M}{M-B} $
$⇒\frac{L}{A} + \frac{C}{N} =\frac{B}{B-M}-\frac{M}{B-M} $
$\therefore\frac{L}{A} + \frac{C}{N} =\frac{B-M}{B-M}=1$
Hence, the correct answer is 1.

235 Views

Question : A fast local of Mumbai takes 45 minutes less than a slow local for a journey of 150 km. If the speed of the fast local is 10 km/hr more than that of the slow local, find the speed (in km/hr) of the slow local train.

Option 1: 30

Option 2: 35

Option 3: 45

Option 4: 40

Team Careers360 14th Jan, 2024

Correct Answer: 40


Solution : Let's denote the speed of the slow local train as S km/hr.
⇒ The fast local train's speed is (S + 10) km/hr, as given in the problem.
The time taken by the slow local train to cover a distance of 150 km:
We know,

11 Views

Question : Directions: Find the missing number from the given responses in the following question.

6 9 12
36 81 144
24 63 ?

Option 1: 120

Option 2: 80

Option 3: 94

Option 4: 102

Team Careers360 15th Jan, 2024

Correct Answer: 120


Solution : Square the numbers of the first row to get the numbers in the second row. Subtract 2 in the number given in the first row and multiply the resultant by the number given in the first row to get the number of the third row. 

23 Views

Question : Which of the following is a fish?

Option 1: Sliver fish

Option 2: Star fish

Option 3: Dog fish

Option 4: Cuttle fish

Team Careers360 18th Jan, 2024

Correct Answer: Dog fish


Solution : The correct option is Dog fish.

Dogfish is a type of fish. Dogfish is a common name for various species of small to medium-sized sharks, belonging to the family Squalidae. They are true fish and are found in oceans around the world. "Cuttlefish" is

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