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Question : Which of the following is a strong reducing agent used to reduce aldehydes, ketones, esters, carboxylic acid chlorides, carboxylic acids and even carboxylate salts to alcohols?

Option 1: Titanium hydride

Option 2: Lithium aluminum hydride

Option 3: Calcium hydride

Option 4: Bismuth hydride

Team Careers360 23rd Jan, 2024

Correct Answer: Lithium aluminum hydride


Solution : The correct option is Lithium aluminium hydride.

One strong reducing agent commonly used to reduce aldehydes, ketones, esters, carboxylic acid chlorides, carboxylic acids, and carboxylate salts to alcohols is lithium aluminium hydroxide (LiAlH4).

5 Views

Question : The Chief Minister of which of the following states launched the common credit portal - Simplified Application for Agricultural Loans (SAFAL) to increase farmers' access to loans?

Option 1: Odisha

Option 2: Maharashtra

Option 3: West Bengal

Option 4: Bihar

Team Careers360 23rd Jan, 2024

Correct Answer: Odisha


Solution : The correct answer is Odisha.

Odisha Chief Minister Naveen Patnaik inaugurated SAFAL, India's pioneering online agricultural credit portal, designed to enhance farmers' access to loans. SAFAL, or Simplified Application for Agricultural Loans, offers a streamlined process for farmers and agri-entrepreneurs to access over 300

15 Views

Question : If $\cot 2 {A}=\tan \left({A}-48^{\circ}\right)$, then what is the value of $A$?

Option 1: $36^{\circ}$

Option 2: $46^{\circ}$

Option 3: $42^{\circ}$

Option 4: $40^{\circ}$

Team Careers360 25th Jan, 2024

Correct Answer: $46^{\circ}$


Solution : $\cot 2 {A}=\tan \left({A}-48^{\circ}\right)$
$⇒\tan(90^{\circ}- 2 {A})=\tan \left({A}-48^{\circ}\right)$
$⇒90^{\circ}- 2 {A}=A-48^{\circ}$
$⇒3 {A}= 138^{\circ}$
$\therefore {A}= 46^{\circ}$
Hence, the correct answer is $46^{\circ}$.

19 Views

Question : Which of the following statements regarding the lenses is/are correct?
I. The power of a convex lens is represented as a positive number.
II. Power of a concave lens is represented as a negative number.

Option 1: Both I and II

Option 2: Only II

Option 3: Only I

Option 4: Neither I nor II

Team Careers360 22nd Jan, 2024

Correct Answer: Both I and II


Solution : The correct option is both I and II.

In optics, the power of a convex lens is represented as a positive number, indicating its converging ability. Conversely, the power of a concave lens is a negative number, denoting its diverging nature.

14 Views

Question : Comprehension:
In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
Polio was once a disease feared worldwide, striking suddenly and paralysing mainly children(1)_______ life. WHO is a partner in the Global Polio Eradication Initiative, the (2)______ private-public partnership for health, which has (3)________ polio by 99%. Polio now survives (4)______ among the world's three poorest and (5)_________ marginalised communities, where it stalks the most (6)________ children. These are Afghanistan, Nigeria, and Pakistan. (7)_____ poliovirus transmission is interrupted in these countries; all (8)______ remain at risk of importation of polio, (9)_______ vulnerable countries with weak public health and immunisation services. WHO's goal is (10)______ every last child with the polio vaccine and ensure a polio-free world for future generations.
Question:
Select the most appropriate option for the blank no.2.

Option 1: most large

Option 2: more large

Option 3: largest

Option 4: larger

Team Careers360 20th Jan, 2024

Correct Answer: largest


Solution : The third option is the correct answer.

The adjective "largest" is needed to convey the magnitude or size of the partnership accurately. It indicates that the Global Polio Eradication Initiative is the largest private-public partnership for health.

Therefore, the correct answer is largest.

98 Views

Question : Directions: 11 is related to 1210 following a certain logic. Following the same logic, 13 is related to 1690. To which of the following is 17 related, following the same logic?

Option 1: 2690

Option 2: 2990

Option 3: 2790

Option 4: 2890

Team Careers360 25th Jan, 2024

Correct Answer: 2890


Solution : Given:
11 is related to 1210 and 13 is related to 1690.

Ten times the square of the first number equals the second number.
Like, 11 is related to 1210→112 = 121, 121 × 10 = 1210
And, 13 is related to 1690→132

23 Views

Question : Select the option that expresses the given sentence in indirect speech.
John said, "I cannot come with you."

Option 1: John says that he cannot come with me.

Option 2: John said that he will not be coming with me.

Option 3: John said that he would not come with me.

Option 4: John said that he could not come with me.

Team Careers360 20th Jan, 2024

Correct Answer: John said that he could not come with me.


Solution : The fourth option is correct.

In the transformation from direct to indirect speech, several grammatical changes occur:

  • Pronouns: The pronoun I changes to he to match the person reporting the speech.
  • Verb Tense: The present
47 Views

Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
144, 171, 200, ?, 264

Option 1: 240

Option 2: 256

Option 3: 225

Option 4: 231

Team Careers360 21st Jan, 2024

Correct Answer: 231


Solution : Given:
144, 171, 200, ?, 264

Add consecutive odd numbers starting from 27 to the previous term to obtain the next term.
144 + 27 = 171; 171 + 29 = 200; 200 + 31 = 231; 231 + 33 = 264

So, 231 is

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