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Question : Which of the following is the treatment of water pollution?

 

Option 1: Bag house filter

Option 2: Windrow composting

Option 3: Venturi scrubber

Option 4: Reserve osmosis

Team Careers360 21st Jan, 2024

Correct Answer: Reserve osmosis


Solution : The correct option is Reserve osmosis.

Reverse osmosis is a water treatment technology that involves pushing water through a semipermeable membrane to remove contaminants and impurities. Reverse osmosis is extremely successful in removing pollutants like as germs, viruses, heavy metals, salts, nitrates, and other

7 Views

Question : In the human body, which of the following types of veins are located within muscle tissue and have a corresponding artery nearby?

Option 1: Deep veins

Option 2: Superficial veins

Option 3: Systemic veins

Option 4: Pulmonary veins

Team Careers360 23rd Jan, 2024

Correct Answer: Deep veins


Solution : The correct option is Deep veins.

The type of veins that are located within muscle tissue and have a corresponding artery nearby are called "deep veins" or "deep venous system." In the human body, deep veins run parallel to arteries and are usually

8 Views

Question : The stage of the embryo in which all the body parts can be identified is called ___________.

Option 1: uterus

Option 2: ovulation

Option 3: foetus

Option 4: zygote

Team Careers360 16th Jan, 2024

Correct Answer: foetus


Solution : The correct answer is foetus.

The foetus is the unborn offspring. In humans, from the ninth week after fertilisation, fetal development begins. A zygote is a eukaryotic cell formed by fertilisation. The uterus is a hollow muscular organ located in the female pelvis. This

26 Views

Question :

The following diagram shows the rainfall over two years. Which of the following months shows the highest percentage change in rainfall?

Option 1: January

Option 2: September

Option 3: May

Option 4: March

Team Careers360 23rd Jan, 2024

Correct Answer: March


Solution : $\frac{\text{Rainfall in 2022}}{\text{Rainfall in 2021}}$ in January = $\frac{55}{35} = 1.57$
$\frac{\text{Rainfall in 2022}}{\text{Rainfall in 2021}}$ in March = $\frac{45}{25} = 1.80$
$\frac{\text{Rainfall in 2022}}{\text{Rainfall in 2021}}$ in May = $\frac{75}{45} = 1.67$
$\frac{\text{Rainfall in 2022}}{\text{Rainfall in 2021}}$ in September = $\frac{25}{15} = 1.67$
Since

7 Views

Question : The biennial Tri-Services amphibious exercise, AMPHEX 2023 was conducted in _____ from 17 to 22 January 2023.

Option 1: Bihar

Option 2: Telangana

Option 3: Odisha

Option 4: Andhra Pradesh

Team Careers360 22nd Jan, 2024

Correct Answer: Andhra Pradesh


Solution : The correct option is Andhra Pradesh.

The biennial Tri-Services Amphibious Exercise, AMPHEX 2023, took place at Kakinada, Andhra Pradesh, from January 17 to 22, 2023.

The biennial Tri-Services exercise typically refers to a military exercise that involves all three branches of a country's armed

14 Views

Question : The instrument used to measure pressure :

Option 1: anemometer

Option 2: aneroid barometer

Option 3: hygrometer

Option 4: thermometer

Team Careers360 25th Jan, 2024

Correct Answer: aneroid barometer


Solution : The correct option is an aneroid barometer.

Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. An instrument called an aneroid barometer is used to measure air pressure without the use of

14 Views

Question : The density of population in an area is measured by the number of

Option 1: Persons

Option 2: Children

Option 3: Families

Option 4: Houses

Team Careers360 25th Jan, 2024

Correct Answer: Persons


Solution : The correct answer is Persons.

Population density is the measurement of a species' population within a specific area. The number of people per unit of area, commonly expressed as "per square kilometer," is referred to as population density. It is computed by dividing the number

280 Views

Question : A man spent 30% of his monthly income on rent. He spent 15% of the remaining amount on food. 35% of the amount now left was used for all other expenses. If Rs. 1,62,435 was left with him, then his monthly income was:

Option 1: Rs. 4,80,000

Option 2: Rs. 4,20,000

Option 3: Rs. 3,60,000

Option 4: Rs. 5,40,000

Team Careers360 14th Jan, 2024

Correct Answer: Rs. 4,20,000


Solution : Let the salary be $100x$.
Expense on food $= \frac{30}{100} \times 100x = 30x$
Remaining $= (100x-30x) = 70x$
Expense on rent $= 15\% \times 70x = \frac{15}{100}\times 70x = \frac{1050x}{100}=10.5x$
Remaining $= (70x-10.5x) = 59.5x$
Other expense $= 35\% \times 59.5x = \frac{35}{100}

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