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Question : Which of the following is used to increase the anti-knocking property of Petrol?
Option 1: Tetra Methyl Lead
Option 2: Tetra Ethyl Lead
Option 3: Tri Methyl Lead
Option 4: Tri Ethyl Lead
Correct Answer: Tetra Ethyl Lead
Solution : The correct answer is Tetra Ethyl Lead.
Anti-knocking agent is a gasoline additive which is used to reduce engine knocking. Tetra Ethyl Lead (TEL) is used as an anti-knocking compound that helps in auto-ignition by raising the temperature and pressure. It also increases
Question : Comprehension:
In the given 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.
Gabriella Montez was comfortably curled up in an overstuffed chair in the sitting area. She (1) _________ the peace and quiet at home - everyone else was (2) ________ at the party - and had totally lost (3) __________ in a book which was the best she had (4)_________ read and she couldn’t wait to get (5) _______the end. However, before she set her eyes (6) ________ the next page, the book was (7) ________right out of her hands, and she (8) __________ at her mother standing over her. “Gabby, it’s New Year’s Eve,” she said. “(9) __________ reading!” she snapped at her daughter. “But, mum, I’m almost done,” Gabriella (10) __________.
Question:
Select the most appropriate option to fill in blank No.10
Option 1: prohibited
Option 2: prevented
Option 3: prescribed
Option 4: protested
Correct Answer: protested
Solution : The fourth option is correct.
Let's look at the meaning of the given words:
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. The effects of plastic bags on the environment are really (1)______ devastating because there is no disposal method that will really help eliminate the problem. The biggest problem with them is that once they have been (2)______, they end up in the trash, which then ends up in the landfill or is burned. The indefinite period of time that it takes for the average plastic bag to break (3)______ can be literally hundreds of years. Throughout the world, plastic bags are responsible for the suffocation and deaths of woodland animals, as well as (4)______ soil nutrients. The land litter that is made up of plastic bags has the potential to kill over and over again. It has been estimated that one bag has the potential to inadvertently kill one animal per every three months due to unintentional digestion or inhalation. There are always alternatives to plastic bags, and the search for more alternatives continues. Question: Select the most appropriate option to fill in the blank number 4.
Option 1: accumulating
Option 2: inhibiting
Option 3: demanding
Option 4: converting
Correct Answer: inhibiting
Solution : The second option is the correct choice.
Inhibiting means restraining or preventing. In this context, plastic bags are described as having negative effects on soil nutrients, implying that they restrict or hinder the health of the soil.
The meanings of the other options are as
Question : On a tree, there are some parrots and some pigeons in the ratio of 7 : 9, respectively. After an hour, 8 parrots fly away, and 6 pigeons and 10 sparrows come and sit on the tree. The ratio of the parrots and the pigeons on the tree now is 1 : 4. What is the ratio of the parrots and the sparrows that are now on the tree?
Option 1: 1 : 1
Option 2: 1 : 2
Option 3: 3 : 5
Option 4: 4 : 5
Correct Answer: 3 : 5
Solution : Let the initial number of parrots and pigeons on the tree are $7x$ and $9x$, respectively. After an hour, 8 parrots fly away and 6 pigeons come and sit on the tree. The number of parrots and pigeons on the tree now is
Question : Directions: In the 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.
Internet cafe owners fear that a police crackdown may cause ___ damage to their businesses.
Option 1: irreparable
Option 2: eternal
Option 3: untold
Option 4: reparable
Correct Answer: irreparable
Solution : The correct choice to fill in the blanks is the first option.
"Irreparable" means something that cannot be rectified or repaired. The sentence implies that a police crackdown may cause damage that cannot be repaired.
The meanings of other options are as follows:
Question : Directions: If a mirror is placed on the line MN, then which of the answer figures is the right mirror image of the given figure?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection. So, according to the above property and the information provided, the mirror is placed on the right side of the figure (on line MN). So, the left side of the
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).
The housing problem in Mumbai becomes more serious.
(1) is becoming
(2) has become
(3) become
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (2)
Solution : The sentence can be improved using the second option.
The sentence should be in the present perfect tense, as it highlights the intended meaning of the sentence, which is that the housing problem has worsened in the present time.
Therefore, the correct sentence should
Question : What is the average of 12.5, 18.4, 15.5, 16.6, and 20.4?
Option 1: 15.58
Option 2: 17.50
Option 3: 16.68
Option 4: 18.48
Correct Answer: 16.68
Solution : Given numbers = 12.5, 18.4, 15.5, 16.6, and 20.4 Average = $\frac{\text{Sum of given observations}}{\text{Total number of observation}}$ = $\frac{12.5+18.4+ 15.5+ 16.6+ 20.4}{5}$ = $\frac{83.4}{5}$ = 16.68 Hence, the correct answer is 16.68.
Question : The amount of heat that is produced in a wire when an electric current passes through it does not depend on _________.
Option 1: material
Option 2: length
Option 3: thickness
Option 4: none of these
Correct Answer: none of these
Solution : The correct option is none of these.
The amount of heat produced in a wire when an electric current passes through it depends on its material, length, thickness, the amount of current flowing, and the time for which the current flows.
Question : Direction: In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation.
7 x 5 x 6 = 576
4 x 2 x 5 = 245
8 x 2 x 5 = ?
Option 1: 258
Option 2: 285
Option 3: 582
Option 4: 852
Correct Answer: 285
Solution : Here, the given equations follows a pattern in which the first number and the middle number in LHS becomes the tens place digit and the hundreds place digit in the answer part in RHS respectively.
⇒ 7 x 5 x 6 = 576
⇒ 4
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