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16 Views

Question : If $a = 64$ and $b = 289$, then the value of $\sqrt{\sqrt{\sqrt{a}+\sqrt{b}}-\sqrt{\sqrt{b}-\sqrt{a}}}$ is:

Option 1: $2^{\frac{1}{2}}$

Option 2: $2$

Option 3: $4$

Option 4: $–1$

Team Careers360 22nd Jan, 2024

Correct Answer: $2^{\frac{1}{2}}$


Solution : Given: $a = 64$ and $b = 289$
The given expression is $\sqrt{\sqrt{\sqrt{a}+\sqrt{b}}-\sqrt{\sqrt{b}-\sqrt{a}}}$.
Substitute the value of $a = 64$ and $b = 289$ in the above equation, we get,
$=\sqrt{\sqrt{\sqrt{64}+\sqrt{289}}-\sqrt{\sqrt{289} - \sqrt{64}}}$
$=\sqrt{\sqrt{8+17}-\sqrt{17-8}}$
$=\sqrt{\sqrt{25}-\sqrt{9}}$
$=\sqrt{5-3}$
$=2^{\frac{1}{2}}$
Hence, the correct answer is $2^{\frac{1}{2}}$.

9 Views

Question : Directions: From the given alternative words, select the word that cannot be formed using the letters of the given word.
HARBINGER

Option 1: BARRING

Option 2: GARNER

Option 3: GARBAGE

Option 4: RANGER

Team Careers360 24th Jan, 2024

Correct Answer: GARBAGE


Solution : Given:
HARBINGER

Now, let's compare all the option words with the word HARBINGER –
First option: BARRING; All the letters of BARRING are present in the word HARBINGER.
Second option: GARNER; All the letters of GARNER are present in the word HARBINGER.
Third option: GARBAGE;

13 Views

Question : The value of $\frac{4 \tan ^2 30^{\circ}+\sin ^2 30^{\circ} \cos ^2 45^{\circ}+\sec ^2 48^{\circ}-\cot ^2 42^{\circ}}{\cos 37^{\circ} \sin 53^{\circ}+\sin 37^{\circ} \cos 53^{\circ}+\tan 18^{\circ} \tan 72^{\circ}}$ is:

Option 1: $\frac{35}{48}$

Option 2: $\frac{59}{48}$

Option 3: $\frac{49}{24}$

Option 4: $\frac{35}{24}$

Team Careers360 18th Jan, 2024

Correct Answer: $\frac{59}{48}$


Solution : Given: $\frac{4 \tan ^2 30^{\circ}+\sin ^2 30^{\circ} \cos ^2 45^{\circ}+\sec ^2 48^{\circ}-\cot ^2 42^{\circ}}{\cos 37^{\circ} \sin 53^{\circ}+\sin 37^{\circ} \cos 53^{\circ}+\tan 18^{\circ} \tan 72^{\circ}}$
We know that $\tan 30^{\circ} = \frac{1}{\sqrt{3}}$
$\sin 30^{\circ} = \frac{1}{2}$
$\cos 45^{\circ} = \frac{1}{\sqrt{2}}$
$\cos 37^{\circ} = \cos (90^{\circ} - 53^{\circ})

16 Views

Question : Given below are four sentences in jumbled order. Pick the option that gives their correct order.

A. Very soon, he bought a young goat.
B. When all his goats left him, Abdul was very lonely.
C. He simply couldn't do without his pets.
D. He thought, "A young goat will stay with me for long."

Option 1: CADB

Option 2: CDBA

Option 3: BCAD

Option 4: BDAC

Team Careers360 19th Jan, 2024

Correct Answer: BCAD


Solution : The third option is the correct choice.

The sequence begins with Abdul experiencing loneliness after all his goats leave him (B), highlighting his emotional connection to the animals. This loneliness is further emphasised in sentence C, explaining that Abdul couldn't do without his pets. Following

13 Views

Question : Who amongst the following got a Nobel Prize in recognition of his discoveries of how salts and water transported in and out of cells in the human body?

Option 1: Roderick MacKinnon 

Option 2: Kurt Wuethrich

Option 3: John E. Sultan

Option 4: H. Robert Horvitz

Team Careers360 25th Jan, 2024

Correct Answer: Roderick MacKinnon 


Solution : The correct answer is Roderick MacKinnon.

Nobel Prize in Chemistry is awarded by the Royal Swedish Academy of Sciences every year. The 2003 Nobel Prize was conferred to Peter Agre and Roderick MacKinnon. They have demonstrated how ions and water are transported through cell

15 Views

Question : Directions: In the following question, select the one which is different from the other three alternatives.

Option 1: 49

Option 2: 36

Option 3: 65

Option 4: 100

Team Careers360 24th Jan, 2024

Correct Answer: 65


Solution : Let's check the options –
First option: 49; 72 = 49; 49 is a perfect square. 
Second option: 36; 62 = 36; 36 is a perfect square.
Third option: 65; 65 is not a perfect square.
Fourth option: 100; 102 = 100;

22 Views

Question : Which of the following pairs of "dynasty-ruled region" is correctly matched?

I. Shakas: Northwest and North India.

II. Vakatakas: Central and Western India.

Option 1: Neither I nor II

Option 2: Only I

Option 3: Only II

Option 4: Both I and II

Team Careers360 24th Jan, 2024

Correct Answer: Both I and II


Solution : The correct option is Both I and II.

Shakas belonged to the Scythian ethnic group. The Shakas migrated into northwest India after being driven out of the plains of Syr Darya (Jaxartes) by the Great Yueh Chi tribe (a Chinese tribe)

15 Views

Question : The ratio of the selling price to the cost price of a computer is 7 : 5. What is the profit percentage?

Option 1: 60%

Option 2: 10%

Option 3: 40%

Option 4: 20%

Team Careers360 21st Jan, 2024

Correct Answer: 40%


Solution : Given,
The ratio of selling price to cost piece = 7 : 5
We know, Profit percentage = $\frac{\text{Profit}}{\text{cost price}} × 100$
Let the selling price and cost price be $7x$ and $5x$ respectively
Profit = $7x - 5x$
⇒ Profit = $2x$
So, the

18 Views

Question : Choose the incorrectly spelt word.

Option 1: Innocense

Option 2: Governance

Option 3: Enforcement

Option 4: Insufficient

Team Careers360 23rd Jan, 2024

Correct Answer: Innocense


Solution : The correct choice is the first option.

There is an error in the spelling of "innocense" because the correct spelling is innocence, which means the fact of not being guilty of a crime.

The meanings of other words are as follows:

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