It's a Question of your Career!

1 Million+

Questions

50k +

Active Users

24hrs max.

Answering Time

Showing 4961 - 4970 out of 57635 Questions
93 Views

Question : A solid sphere made of wax of radius 12 cm is melted and cast into solid hemispheres of radius 4 cm each. Find the number of such solid hemispheres.

Option 1: 54

Option 2: 27

Option 3: 14

Option 4: 28

Team Careers360 24th Jan, 2024

Correct Answer: 54


Solution : Given,
A solid sphere made of wax of radius 12 cm is melted and cast into solid hemispheres of radius 4 cm each.
Let the number of hemispheres thus formed be $n$.
⇒ Volume of sphere = $n$(Volume of hemisphere)
Volume of sphere = $\frac43\pi

13 Views

Question : A sphere is of radius 5 cm. What is the surface area of the sphere?

Option 1: $100 \pi \;\mathrm{cm^2}$

Option 2: $150 \pi \;\mathrm{cm^2}$

Option 3: $200 \pi\;\mathrm{cm^2}$

Option 4: $120 \pi\;\mathrm{cm^2}$

Team Careers360 24th Jan, 2024

Correct Answer: $100 \pi \;\mathrm{cm^2}$


Solution : The surface area $A$ of a sphere where $r$ is the radius of the sphere.
$A = 4 \pi r^2$
Substituting $r$ = 5 cm into the formula gives:
$A = 4 \pi (5)^2 = 100 \pi \, \text{cm}^2$
Hence, the correct answer

11 Views

Question : The table given below shows the number of officers working in six companies.

Companies Officers
D 400
E 500
F 600
G 350
H 450
I 800

What is the total number of officers working in all the companies?

Option 1: 2900

Option 2: 2600

Option 3: 3400

Option 4: 3100

Team Careers360 25th Jan, 2024

Correct Answer: 3100


Solution : Number of officers working in the company D = 400
Number of officers working in the company E = 500
Number of officers working in the company F = 600
Number of officers working in the company G = 350
Number of officers working in

5 Views

Question : Directions: Sameer is younger than Meera. Prayas is older than Sameer but younger than Sakshi. Who is the eldest of the four?

Option 1: Meera

Option 2: Prayas

Option 3: Sameer

Option 4: Meera or Sakshi

Team Careers360 25th Jan, 2024

Correct Answer: Meera or Sakshi


Solution : Given:
(I) Sameer is younger than Meera.
Meera > Sameer
(II) Prayas is older than Sameer but younger than Sakshi. After combining all the statements the arrangement is as follows –
Meera/Sakshi > Prayas > Sameer

So, either Meera or Sakshi is the

20 Views

Question : Directions: In the following question, some parts of the sentence may have some errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No error".

Each of these boys (1) / play games (2) / in the playground. (3) / No error (4)

Option 1: (1)

Option 2: (2)

Option 3: (3)

Option 4: (4)

Team Careers360 25th Jan, 2024

Correct Answer: (2)


Solution : The error is in the second part of the sentence.

When each is used to refer to the individual members of a group, it should be followed by a singular verb form, which is plays in this case.

Therefore, the correct sentence would be: Each

45 Views

Question : The price of an edible oil is increased by 25%. To maintain the budget, Sushma reduces the consumption of this oil by 20%. The increase in expenditure due to this edible oil is:

Option 1: 0%

Option 2: 1%

Option 3: 2%

Option 4: 3%

Team Careers360 25th Jan, 2024

Correct Answer: 0%


Solution : Increase in price = 25%
Decrease in consumption = 20%
For successive percentage change use the following formula,
$x+y+\frac{xy}{100}$, where $x$ and $y$ are percentage increases or decreases, if increases take positive and if decreases take negative.
Required change in Expenditure = 25 + (–20)

20 Views

Question :

The largest invertebrate is a / an:

Option 1:

Sponge

 

Option 2:

Mollusc

 

Option 3: Arthropod

 

Option 4: Echinoderm

Team Careers360 24th Jan, 2024

Correct Answer:

Mollusc

 


Solution : The correct option is - Mollusc.

Molluscs are the largest invertebrate. They are the second-largest class of organisms on Earth with over 80,000 species, including small snails to enormous squid and octopuses.

35 Views

Question : Comprehension:
In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.

The challenge in Madras High Court to the Emergency-era shifting of education from state list to concurrent list (1) ____ a futile exercise in turning back the clock. Forty-six years have passed (2) ____ the 42 Constitution Amendment Act. In this period, the education sector has seen far too many changes, and most can't be (3) ____ For instance, a common national medical test now allows students the ease of appearing for just one examination instead of multiple ones conducted by each state. States still enjoy (4) ____ to operate their own universities, schools, and education syllabus. The private sector is also flourishing in education. And the policy tinkering at all levels goes on. UGC is restructuring UG, PG, and doctoral programmes. States are trying out clustering of schools, closing down smaller schools. Instruction in English seems to have lost favour at the Centre, even though society is (5) ___ headed in the opposite direction. But the moot point is no one entity can claim complete control. It is a diverse ecosystem. Far more important issues than locating education in the Constitution are at stake.
Select the most appropriate option to fill in the blank no. 2.

Option 1: from

Option 2: for

Option 3: as

Option 4: since

Team Careers360 24th Jan, 2024

Correct Answer: since


Solution : The correct choice is the fourth option.

Explanation:

The use of "since" in this context indicates a point in time when an event (the passing of the 42nd Constitution Amendment Act) occurred, marking the passage of time.

It is a suitable choice because it establishes

The question have been saved in answer later, you can access it from your profile anytime. Access now