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16 Views

Question : If $x=a\sec\theta$ and $y=b\tan\theta$, then $\frac{x^{2}}{a^{2}}-\frac{y^{2}}{b^{2}}=?$

Option 1: 1

Option 2: 2

Option 3: 3

Option 4: 4

Team Careers360 21st Jan, 2024

Correct Answer: 1


Solution : Given: $x=a\sec\theta$ and $y=b\tan\theta$
⇒ $\frac{x^{2}}{a^{2}}=\frac{a^{2}\sec^{2}\theta}{a^{2}}=\sec^{2}\theta$
⇒ $\frac{y^{2}}{b^{2}}=\frac{b^{2}\tan^{2}\theta}{b^{2}}=\tan^{2}\theta$
The value of $\frac{x^{2}}{a^{2}}-\frac{y^{2}}{b^{2}}=\sec^{2}\theta-\tan^{2}\theta=1$
Hence, the correct answer is 1.

20 Views

Question : How many non-major (minor) ports are there in India?

Option 1: 168

Option 2: 154

Option 3: 246

Option 4: 200

Team Careers360 22nd Jan, 2024

Correct Answer: 200


Solution : The correct answer is 200.

India has approximately 200 non-major (minor) ports, contributing significantly to the country's maritime trade alongside its 13 major ports. These minor ports handle both coastal and fishing trade, playing a crucial role in regional economies and national development. The

12 Views

Question : Directions: Which two signs should be interchanged to make the given equation correct?
7 × 2 + 4 – 6 ÷ 3 = 12

Option 1: × and –

Option 2: = and ×

Option 3: – and +

Option 4: – and =

Team Careers360 24th Jan, 2024

Correct Answer: – and +


Solution : Given:
7 × 2 + 4 – 6 ÷ 3 = 12

Let's check the options –
First option: × and –
7 – 2 + 4 × 6 ÷ 3 = 12
L.H.S. = 7 – 2 + 4 × 2
=

460 Views

Question : The angle of elevation of the top of a building at a distance of 70 m from its foot on a horizontal plane is found to be 60°. Find the height of the building.

Option 1: $70 \sqrt{3} \mathrm{~m}$

Option 2: $60 \sqrt{3} \mathrm{~m}$

Option 3: $50 \sqrt{3} \mathrm{~m}$

Option 4: $70 \sqrt{2} \mathrm{~m}$

Team Careers360 18th Jan, 2024

Correct Answer: $70 \sqrt{3} \mathrm{~m}$


Solution :
Height = AC
We know, $\tan \theta=\frac{\text{Perpendicular}}{\text{Base}}$
⇒ $\tan60° =\frac{AC}{70}$
⇒ $\sqrt3=\frac{AC}{70}$
⇒ $AC=70\sqrt3\text{ m}$
Hence, the correct answer is $70\sqrt3\text{ m}$.

20 Views

Question : Select the most appropriate ANTONYM of the underlined word.
I object to the false claims made against me.

Option 1: assent

Option 2: ease

Option 3: restore

Option 4: ascertain

Team Careers360 18th Jan, 2024

Correct Answer: assent


Solution : The correct choice is the first option.

Explanation:

Assent means to agree or express approval.

Ease means to make something less difficult or more manageable; the opposite of difficulty or hardship.

Restore means to bring back or return something to its original state; the opposite

38 Views

Question : Which of the following folk dance forms does not belong to the State of Gujarat?

Option 1: Garba

Option 2: Dandiya Raas

Option 3: Bidesiya

Option 4: Vinchhudo

Team Careers360 22nd Jan, 2024

Correct Answer: Bidesiya


Solution : The correct option is Bidesiya.

This originated in the Bhojpuri-speaking regions of Bihar and Uttar Pradesh in India. The Bidesiya dance form is deeply connected to the Bidesiya folk music genre, which expresses the emotions and experiences of migrants who have left their homes

28 Views

Question : The base of a prism is a right-angle triangle whose sides are 9 cm, 12 cm, and 15 cm. Volume of this prism is 648 cm3. What will be the height of the prism?

Option 1: 14 cm

Option 2: 12 cm

Option 3: 9 cm

Option 4: 16 cm

Team Careers360 23rd Jan, 2024

Correct Answer: 12 cm


Solution : Given: The base of a prism is a right-angle triangle whose sides are 9 cm, 12 cm, and 15 cm.
The volume of this prism is 648 cm3.
Base area = $\frac{1}{2}$ × Perpendicular × Base
= $\frac{1}{2}$ × 9 × 12

18 Views

Question : Select the most appropriate meaning of the underlined word in the given sentence.

Arthur has some strange ideas, but on this occasion, I am inclined to agree with him.

Option 1: tended

Option 2: conflicted

Option 3: refused

Option 4: conspired

Team Careers360 25th Jan, 2024

Correct Answer: tended


Solution : The correct choice is the first option.

Inclined, in this context, means having a tendency or a leaning towards a particular opinion or action. It implies a preference or a slight leaning towards agreeing with Arthur's ideas on this occasion. Hence, tended is the

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