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15 Views

Question : If $x\sin ^{2}60^{\circ}-\frac{3}{2}\sec 60^{\circ}\tan^{2}30^{\circ}+\frac{4}{5}\sin ^{2}45^{\circ}\tan ^{2}60^{\circ}=0$, then $x$ is:

Option 1: $-\frac{1}{15}$

Option 2: $–4$

Option 3: $-\frac{4}{15}$

Option 4: $–2$

Team Careers360 21st Jan, 2024

Correct Answer: $-\frac{4}{15}$


Solution : $x\sin ^{2}60^{\circ}-\frac{3}{2}\sec 60^{\circ}\tan^{2}30^{\circ}+\frac{4}{5}\sin^{2}45^{\circ}\tan ^{2}60^{\circ}=0$
$⇒x(\frac{\sqrt3}{2})^2-\frac{3}{2}×2×(\frac{1}{\sqrt3})^2+\frac{4}{5} ×\frac{1}{2}×(\sqrt{3})^2=0$
$⇒\frac{3x}{4}-1+\frac{6}{5}=0$
$⇒\frac{3x}{4}=-\frac{1}{5}$
$⇒x=-\frac{4}{15}$
Hence, the correct answer is $-\frac{4}{15}$.

10 Views

Question : If $\sqrt{x}+\frac{1}{\sqrt{x}}=3, x>0$, then $x^2\left(x^2-47\right)=?$

Option 1: $0$

Option 2: $2$

Option 3: $-2$

Option 4: $-1$

Team Careers360 25th Jan, 2024

Correct Answer: $-1$


Solution : As we know,
$(x + \frac{1}{x})^2 = x^2 + \frac{1}{x^2} + 2$
⇒ $(\sqrt{x} + \frac{1}{\sqrt{x}})^2 = x+\frac{1}{x} +2$
⇒ $x + \frac{1}{x} + 2 = 3^2 = 9$
⇒ $x + \frac{1}{x} = 9 - 2 = 7$
⇒ $(x + \frac{1}{x})^2= 7^2$

20 Views

Question : Fill in the blank with the most appropriate option.

He ruled well but_________, making closer friends with justice than with mercy.

Option 1: watch

Option 2: watching

Option 3: watchfully

Option 4: watches

Team Careers360 23rd Jan, 2024

Correct Answer: watchfully


Solution : The correct choice is the third option.

This choice aligns with the sentence structure, indicating that he ruled well while being attentive and cautious, leaning towards justice rather than mercy. The sentence requires an adverb to modify the verb. Thus, watchfully is the appropriate choice.

31 Views

Question : Select the option that expresses the given sentence in direct speech.

Megha said that she had taken the shortcut to her college.

Option 1: Megha said, "She takes the shortcut to her college."

Option 2: Megha said, "I take the shortcut to my college."

Option 3: Megha said, "I took the shortcut to my college."

Option 4: Megha says, "She takes the shortcut to my college."

Team Careers360 22nd Jan, 2024

Correct Answer: Megha said, "I took the shortcut to my college."


Solution : The correct answer is the third option.

Direct speech is a form of speech or writing where the actual words spoken by a person are quoted within quotation marks and attributed to the speaker.

Narration Conversion:

  • The
13 Views

Question : Directions: In the following question, a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
CZA, GYE, KXI, ?

Option 1: NWL

Option 2: ONM

Option 3: OMW

Option 4: OWM

Team Careers360 20th Jan, 2024

Correct Answer: OWM


Solution : Given:
CZA, GYE, KXI, ?

In the given series, add 4 to the place value of the first and third letters and subtract 1 from the place value of the second letter of the previous term to get the next term.
CZA→C + 4 =

23 Views

Question : Pandit Raj Jagannath was the poet laureate of which of the following rulers?

Option 1: Akbar

Option 2: Shah Jahan

Option 3: Aurangzeb

Option 4: Humayun

Team Careers360 19th Jan, 2024

Correct Answer: Shah Jahan


Solution : The correct answer is Shah Jahan.

Pandit Raj Jagannath was a famous poet and literary critic in the court of the Mughal Emperor Shah Jahan. As a literary theorist or rhetorician, He was renowned for his Rasagangadhara, a work on poetic theory. He was

14 Views

Question : Directions: In the given question, a sentence is given with a blank to be filled in with an appropriate word. Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.

Tables are usually made _____ wood.

Option 1: from

Option 2: of

Option 3: with

Option 4: by

Team Careers360 19th Jan, 2024

Correct Answer: of


Solution : The correct choice is the second option.

Of is the correct preposition, as it helps in indicating the substance the table is made from. It helps specify the material (wood) from which the table is constructed.

Therefore, the complete sentence is: Tables are usually

24 Views

Question : Directions: Words given on the left side of (::) are related by some Logic/ Rule/ Relation. Select the missing word/ word pair on the right side of (::) from the given alternatives based on the same Logic/ Rule/ Relation.
Grip : Spanner :: Amplify : ?

Option 1: Axe

Option 2: Shields

Option 3: Loudspeaker

Option 4: Microscope

Team Careers360 20th Jan, 2024

Correct Answer: Loudspeaker


Solution : Given:
Grip : Spanner :: Amplify : ?

Like, Grip : Spanner→A spanner is a tool used to enhance or improve one's grip on objects
Similarly, follow the same pattern for Amplify : ?→A loudspeaker amplifies sound.

Hence, the third option is correct.

16 Views

Question : Of the three numbers, the first is twice the second, and the second is twice the third. The average of the reciprocal of the numbers is $\frac{7}{12}$. The numbers are:

Option 1: 20, 10 and 5

Option 2: 4, 2 and 1

Option 3: 36, 18 and 9

Option 4: 16, 8 and 4

Team Careers360 20th Jan, 2024

Correct Answer: 4, 2 and 1


Solution : Let us assume the third number is  $x$.
Second number = 2$x$
First number = 2(2$x$) = 4$x$
Reciprocals of the three numbers = $\frac{1}{4x}, \frac{1}{2x}, \frac{1}{x}$
Average of the reciprocals = $\frac{7}{12}$
Sum of the reciprocals = $\frac{1}{4x}+\frac{1}{2x}+\frac{1}{x}=\frac{7}{4x}$
Average of reciprocals

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