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Question : Directions: Which of the following diagrams represents the relationship among Fruits, Mango and Banana?

Option 1:

Option 2:

Option 3:

Option 4:

Team Careers360 24th Jan, 2024

Correct Answer:


Solution : We know that both mango and banana are fruits. So, their circles will lie inside that of fruits. But, mango and banana are not related to each other. So, their circles will not have a common area.
The Venn diagram will be –

Hence, the second

17 Views

Question : If $\sin \theta+\tan \theta=\mathrm{p}$ and $\tan \theta-\sin \theta=\mathrm{q}$, then which of the relation satisfies for given values of $\mathrm{p}$ and $\mathrm{q}$?

Option 1: $\mathrm{p}^2-\mathrm{q}^2=4 \sqrt{\mathrm{pq}}$

Option 2: $\mathrm{p}^2-\mathrm{q}^2=8 \sqrt{\mathrm{pq}}$

Option 3: $\mathrm{p}^2+\mathrm{q}^2=4 \sqrt{\mathrm{pq}}$

Option 4: $\mathrm{p}^2+\mathrm{q}^2=4 \mathrm{pq}$

Team Careers360 25th Jan, 2024

Correct Answer: $\mathrm{p}^2-\mathrm{q}^2=4 \sqrt{\mathrm{pq}}$


Solution : Given, $\sin \theta+\tan \theta=\mathrm{p}$ and $\tan \theta-\sin \theta=\mathrm{q}$
Now, $\mathrm{pq}=(\tan \theta-\sin \theta)(\tan \theta+\sin \theta)$
Using $(a-b)(a+b)=a^2-b^2$
⇒ $\mathrm{pq}=\tan^2\theta-\sin^2\theta$
⇒ $\mathrm{pq}=\frac{\sin^2\theta}{\cos^2\theta}-\sin^2\theta$
⇒ $\mathrm{pq}=\sin^2\theta(\frac{1}{\cos^2\theta}-1)$
⇒ $\mathrm{pq}=\sin^2\theta(\frac{1-\cos^2\theta}{\cos^2\theta})$
We know, $\sin^2\theta+\cos^2\theta = 1$
⇒ $\mathrm{pq}=\sin^2\theta(\frac{\sin^2\theta}{\cos^2\theta})$
⇒ $\mathrm{pq}=\sin^2\theta\tan^2\theta$
And, $\mathrm{p^2}=(\sin \theta+\tan \theta)^2$
$=\sin^2 \theta+\tan^2 \theta+2\sin\theta\tan\theta$
Also, $\mathrm{q^2}=(\tan \theta-\sin \theta)^2$

14 Views

Question : A person who is colourblind cannot distinguish between

Option 1: Black and yellow

Option 2: Red and green

Option 3: Yellow and white

Option 4: Green and blue

Team Careers360 22nd Jan, 2024

Correct Answer: Red and green


Solution : The correct answer is Red and green.

Colour blindness is a condition in which a person faces difficulty distinguishing certain colours, such as red and green. It is a disorder that affects one's ability to identify the differences between various shades of colour.

23 Views

Question : Who among the following was the best-known Chahamana ruler?

Option 1: Prithviraja III

Option 2: Vigraharaja II

Option 3: Prithviraja I

Option 4: Vasudeva

Team Careers360 16th Jan, 2024

Correct Answer: Prithviraja III


Solution : The correct answer is Prithviraja III.

The most well-known Chahamana king was Prithviraja III (1168–1192). He beat Sultan Muhammad Ghori of Afghanistan in 1191 but fell short of him the following year, in 1192.

16 Views

Question : The growth of Bacteria is measured by which of the following?

Option 1: Hemocytometer

Option 2: Spectrophotometer

Option 3: Calorimeter

Option 4: Auxanometer

Team Careers360 14th Jan, 2024

Correct Answer: Auxanometer


Solution : The answer is the Auxanometer.

The growth of bacteria is measured by an apparatus known as an auxanometer, which measures the increase in the growth of plants and bacteria. A calorimeter is used to measure the amount of heat involved in a chemical reaction. A

11 Views

Question : The area of a sector of a circle that subtends a 22.5° angle at the centre is given as 346.5 cm². What will be the radius (in cm) of the circle? [Use $\pi=\frac{22}{7}$]

Option 1: 35

Option 2: 45

Option 3: 42

Option 4: 48

Team Careers360 18th Jan, 2024

Correct Answer: 42


Solution : Given, Area = 346.5 cm$^2$
Angle ($\theta$) = 22.5°
Let $r$ be the radius.
Area $=\frac{\theta}{360°}\times \pi r^2$
⇒ $346.5=\frac{22.5°}{360°}\times \frac{22}{7}\times r^2$
⇒ $\frac{346.5\times360\times7}{22.5\times 22}=r^2$
⇒ $r^2 = \frac{873180}{495}$
⇒ $r^2=1764$
⇒ $r=\sqrt{1764}$
⇒ $r$ = 42 cm
Hence, the correct answer is 42.

14 Views

Question : Who referred to Mahatma Gandhi as "Father of the Nation" for the first time?

Option 1: Jawaharlal Nehru

Option 2: Sardar Vallabh Bhai Patel

Option 3: C. Rajagopalachari

Option 4: Subhas Chandra Bose

Team Careers360 22nd Jan, 2024

Correct Answer: Subhas Chandra Bose


Solution : The correct answer is Subhas Chandra Bose.

Subhas Chandra Bose, a prominent freedom fighter in India's struggle for independence, addressed Mahatma Gandhi as the "Father of the Nation" in one of his speeches. Bose was a fervent nationalist leader who played a significant

19 Views

Question : Select the option that expresses the given sentence in passive voice.
Suman was taking a nap

Option 1: A nap was being taken by Suman.

Option 2: A nap has been taken by Suman.

Option 3: A nap is being taken by Suman.

Option 4: A nap was taken by Suman.

Team Careers360 16th Jan, 2024

Correct Answer: A nap was being taken by Suman.


Solution : The correct choice is the first option.

Passive voice is the voice in which the object experiences an action rather than the person who performs the action. Hence, the object in the active sentence becomes the subject in the

44 Views

Question : Find the part of the given sentence that has an error in it. If there is no error, choose 'No Error'.
Raising temperatures in the springtime signal plants and animals to come alive.

Option 1: raising temperatures in the

Option 2: springtime signal plants and

Option 3: animals to come alive,

Option 4: No Error

Team Careers360 21st Jan, 2024

Correct Answer: raising temperatures in the


Solution : The correct choice is the first option.

The correct term is rising (intransitive), which is commonly used to indicate a natural increase in temperature. Raising (transitive) generally refers to the act of lifting or elevating something physically.

Therefore, the correct sentence should

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