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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
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).
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
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
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: $40^{\circ}$
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 $46^{\circ}$.
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
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.
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
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.
Question : Select the correct indirect form of the given sentence. Raghav said, "You should take a week to complete the job. In case you don't, just let me know how much time you will need."
Option 1: Raghav suggested that I should take a week to complete the job. He further said that in case I didn't, I should let him know how much time I would need.
Option 2: Raghav was saying that I should take a week to complete the job. He was also saying that in case I didn't, I should let him know how much time I would need.
Option 3: Raghav suggested that he would take a week to complete the job. He further said that in case he didn't, I should let him know how much time I would need.
Option 4: Raghav said that I should take a week to have completed the job. He further said that in case I couldn't, I should let him know how much time I needed.
Correct Answer: Raghav suggested that I should take a week to complete the job. He further said that in case I didn't, I should let him know how much time I would need.
Solution : The correct choice is the first option.
Indirect speech, also known as reported speech
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
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
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 number.
I arrived in Delhi in 2009 from a very small town. I had (1)______ lived in a big city before. It was a (2)______ experience for me. I walked around, learning (3)______ names of the streets and taking note (4)______ the shops. After months of wandering, I (5)______ that I had slowly become familiar with Delhi and (6)______ at home. On weekends, I packed some chapatis that (7)______ as my mid-day meal. Then I left for a (8)______ park where I spent hours (9)______ the people of my new city (10)______ feeding the birds with bits of chapatis.
Question:
Select the most appropriate option to fill in the blank No. 4.
Option 1: in
Option 2: on
Option 3: at
Option 4: of
Correct Answer: of
Solution : The fourth option is correct.
Thus, the preposition of will be the correct choice in the fourth blank.
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.
Correct Answer: John said that he could not come with me.
In the transformation from direct to indirect speech, several grammatical changes occur:
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
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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