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Question : Comprehension:
Read the following passage and answer the questions given that follow.
An excavation of ancient Babylon revealed evidence that Babylonians were making soap around 2800 B.C. This is the first concrete evidence we have of a soap-like substance. The early soap makers were Babylonians, Mesopotamians, and Egyptians, as well as the ancient Greeks and Romans. All of them made soap by mixing fat, oils, and salts. Soap wasn't made and used for bathing and personal hygiene but was rather produced for cleaning cooking utensils or goods or was used for medicine purposes. The early references to soap making were for the use of soap in cleaning wool and cotton used in textile manufacture, which was used medicinally for at least 5000 years. Soap is a product for cleaning made from natural ingredients that may include both plant and animal products, including items such as animal fat, such as tallow, or vegetable oil, such as castor, olive, or coconut oil. Soap supposedly got its name from Mount Sapo in Rome. The word 'sapo', Latin for soap, first appeared in Pliny the Elder's Historia Naturalis. The first soap was made by the Babylonians around 2800 B.C. Soap-making history goes back many thousands of years. In the early beginnings of soap making, it was an exclusive technique used by small groups of soap makers. The demand for soap was high, but it was very expensive, and there was a monopoly on soap production in many areas. Back then, plant byproducts and animal and vegetable oils were the main ingredients in soap. The price of soap was significantly reduced in 1791 when a Frenchman by the name of LeBlanc discovered a chemical process that allowed soap to be made cheaply and sold for significantly less money. More than 20 years later, another Frenchman identified relationships between glycerin, fats, and acid—what marked the beginning of modern soap-making. With the discovery of another method of making soap, soap became even less expensive. Since that time, there have been no major discoveries, and the same processes are used for the soap making we use and enjoy today. Advances came as the science of chemistry developed because more was understood about the ingredients. In the mid-nineteenth century, soap for bathing became a separate commodity from laundry soap, with milder soaps being packaged, sold, and made available for personal use. Liquid hand soaps were invented in the 1970s, and this invention keeps soaps in the public eye. Today, there are many different kinds of soaps made for a vast array of purposes. Soap is available for personal, commercial, and industrial use. There is handmade, homemade, and commercially produced soap; there is soap used to wash clothes, dishes, and cars; there is soap used for your pet; there is soap for your carpet; and there is also soap for your child.
Question:-
Soap became less expensive in the early 19th century because:
Option 1: a chemical process of soap making had been discovered
Option 2: soap was manufactured by small groups of soap makers
Option 3: the monopoly on soap making was curtailed
Option 4: the ingredients of soap had become cheaper
Correct Answer: a chemical process of soap making had been discovered
Solution : The first option is the correct answer.
Explanation: According to the passage, the price of soap was significantly reduced in 1791 when a Frenchman named LeBlanc discovered a chemical process that allowed soap to be made cheaply
Question : Who among the following became the first Indian player to score 1,000 T20 International runs in a calendar year?
Option 1: Suryakumar Yadav
Option 2: Rishabh Pant
Option 3: Rohit Sharma
Option 4: Virat Kohli
Correct Answer: Suryakumar Yadav
Solution : The correct answer is Suryakumar Yadav.
Suryakumar Yadav became the first Indian player to score 1000 T20 international runs in a calendar year. He completed this record in 28 innings. He has scored 1026 runs with an average of 44.6 this year. Only
Question : A can do a piece of work in 16 days. B can do the same work in 24 days. A started the work alone. After how many days should B join him, so that the work is finished in 10 days?
Option 1: 6 days
Option 2: 2 days
Option 3: 5 days
Option 4: 1 day
Correct Answer: 1 day
Solution : 1 day's work of A $=\frac{1}{16}$ 1 day's work of B $=\frac{1}{24}$ The work can be finished in 10 days. Let $x$ be the day/days after which B joins A. So, A works for 10 days and B for $(10-x)$ days. According to the
Question : Which of the following equations has 7 as a root?
Option 1: $3x^2-6x+2=0$
Option 2: $x^2-9x+14=0$
Option 3: $x^2-7x+10=0$
Option 4: $x^2+3x-12=0$
Correct Answer: $x^2-9x+14=0$
Solution : Given: Option 1: $3x^2-6x+2=0$ Using the quadratic formula, we get, $⇒x=\frac{6\pm\sqrt{(-6)^2-4.3.2}}{2.3}$ So, $x=\frac{\sqrt3+3}{3}$ or $x=\frac{-\sqrt{3}+3}{3}$ So, the value of $x\neq7$. Option 2: $x^2-9x+14=0$ $⇒x^2-7x-2x+14=0$ $⇒(x-7)(x-2)=0$ $\therefore x = 7$ or $x = 2$ Here, the value of $x=7$. Hence, the correct answer is $x^2-9x+14=0$.
Question : Directions: Select the figure that will replace the question mark (?) in the following figure series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Here the pattern is as follows — 1. In the given series, the shaded quarter of the circle is moving 90° clockwise. 2. The arrow is moving 90° anti-clockwise and rotated in a 90° clockwise direction in its position. 3. The circle along the line is
Question : 'Saddle Peak' the highest peak of Andaman and Nicobar Islands is located in:
Option 1: Great Nicobar
Option 2: Middle Andaman
Option 3: Little Andaman
Option 4: North Andaman
Correct Answer: North Andaman
Solution : The correct answer is North Andaman.
Saddle Peak is the highest mountain in the Andaman and Nicobar Islands. It is located in North Andaman, with a height of about 732 m.
Question : The opportunity cost of production of a commodity is
Option 1: The cost that the firm could have incurred when a different technique was adopted
Option 2: The cost that the firm could have incurred under a different method of production
Option 3: The actual cost incurred
Option 4: The best alternative output
Correct Answer: The best alternative output
Solution : The correct answer is the best alternative output.
The value of the best alternative that must be given up when resources are employed to create that commodity rather than another one is referred to as the opportunity cost of production of
Question :
Directions: In this question, a part of the sentence is in bold. Below are given alternatives to the bold part at (1), (2), and (3) which may improve the sentence. Choose the correct alternative. In case, no improvement is needed your answer is (4).
My opinion of the play is that it will win the National Award.
(1) opinion to
(2) opinion about
(3) opinion on
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (2)
Solution : The correct choice is the second option.
"Opinion about" is the correct phrase to express one's thoughts or views about something. It is a suitable choice in this context.
The other options are not used to express one's thoughts or views about something.
Therefore, the
Question : Directions: In the question, a part of the sentence is in bold. Below are given alternatives to the bold part at (1), (2) and (3) that may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
There was a few drop of rain.
(1) were a few drop
(2) were a few drops
(3) was a few drops
Solution : The second option is the correct choice.
The subject in this sentence is "drops," which is a plural noun, so it should be paired with the plural verb "were" to conform to the subject-verb agreement.
The original sentence uses "was," which is singular, making it
Question : Directions: In a certain code, the word COMPAQ is written as DQNRBS and SONY is written as TQOA. In the same code, how is MOTOROLA written?
Option 1: NPUPSPMB
Option 2: INUNSNMB
Option 3: NQUQSQMC
Option 4: OPUPUPIB
Correct Answer: NQUQSQMC
Solution : Given: COMPAQ is written as DQNRBS and SONY is written as TQOA.
Add 1 and 2 alternately to the place value of each letter of COMPAQ to obtain the required code – C + 1 = D; O + 2 = Q; M + 1
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