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Question : Select the wrongly spelt word.
Option 1: Unsavoury
Option 2: Ethical
Option 3: Unconventional
Option 4: Alturistc
Correct Answer: Alturistc
Solution : The fourth option is correct.
The incorrect spelling alturistc has a missing "i" after the "r". The correct spelling of the word, meaning selfless concern for the well-being of others, is altruistic.
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer.
His profession is teaching, but his _______ is photography.
Option 1: vacation
Option 2: vocation
Option 3: vocative
Option 4: avocation
Correct Answer: vocation
Solution : The correct choice is the second option.
Vocation means a person's employment or main occupation is regarded as particularly worthy and requires dedication. This is the correct answer, as it fits the context of the sentence, describing the person's primary profession.
The meanings of other
Question : Why the Earth is having its own atmosphere ?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : The correct answer is gravity.
Earth has atmosphere because it has gravity which keeps all the gases, water vapours and other mass carrying materials attached to the earth's crust. While air pressure is directly related to gravity on earth i.e. more the height less would be
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).
Careful drivers never take eyes of the road.
(1) by
(2) from
(3) off
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The correct answer is the third option.
In this sentence, the word "of" is incorrect. It should be replaced with the preposition that means away from or diverted from. The correct preposition is off in this context, which means to divert one's attention away from
Question : If $x+\frac{1}{x}=2 \sqrt{5}$ where $x>1$, then the value of $x^3-\frac{1}{x^3}$ is:
Option 1: 82
Option 2: 76
Option 3: 86
Option 4: 78
Correct Answer: 76
Solution : Given: $x+\frac{1}{x}=2 \sqrt{5}$ ⇒ $(x+\frac{1}{x})^2=(2 \sqrt{5})^2$ ⇒ $x^2+\frac{1}{x^2}+2=20$ ⇒ $x^2+\frac{1}{x^2}=18$ -------------(i) ⇒ $x^2+\frac{1}{x^2}-2=18-2=16$ ⇒ $(x-\frac{1}{x})^2=(4)^2$ ⇒ $x-\frac{1}{x}=4$ -------------(ii) So, $x^3-\frac{1}{x^3}$ = $(x-\frac{1}{x})(x^2+\frac{1}{x^2}+x×\frac{1}{x})$ = 4 × (18 + 1) = 76 Hence, the correct answer is 76.
Question : The ratio of milk to water in a 100-litres mixture is 2 : 3. 10 litres of this mixture is withdrawn and replaced with milk. This process is repeated 2 more times. What is the percentage of milk in the final mixture?
Option 1: 56.26%
Option 2: 54.27%
Option 3: 58.21%
Option 4: 51.24%
Correct Answer: 56.26%
Solution : Proportion of water after replacement = Proportion of water before replacement × ($\frac{\text{Volume before addition}}{\text{Volume after addition}}$)(number of replacements) ⇒ Proportion of water after replacement = $\frac{3}{5} × (\frac{90}{100}$)3 = $\frac{2187}{5000}$ So, the volume of water after replacements = $\frac{2187}{5000}$ × 100 =
Question : Three numbers are in the ratio 2 : 3 : 5 and their LCM is 60. What is the HCF of the numbers?
Option 1: 2
Option 2: 4
Option 3: 10
Option 4: 6
Correct Answer: 2
Solution : Given, Three numbers are in the ratio 2 : 3 : 5 and their LCM is 60. Let the number be $2x$, $3x$, and $5x$. ⇒ LCM of ($2x$, $3x$ and $5x$) $=2 × 3 × 5 × x=30x$ According to the question $30x =
Question : Directions: In this question, a word is represented by only one set of numbers, as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets, as in the two matrices given below. The columns and rows of Matrix (I) are numbered from 0 to 4, and those of Matrix (II) are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column e.g. – E can be represented by 04, 21 etc., and P can be represented by 56, 79 etc. Similarly, you have to identify the set for the word MAXI.
Option 1: 76, 56, 34, 57
Option 2: 68, 00, 65, 76
Option 3: 86, 66, 56, 67
Option 4: 67, 65, 44, 75
Correct Answer: 68, 00, 65, 76
Solution : Given: MAXI
Number representations of each letter – M→59, 68 A→00, 44 X→65, 78, 97 I→57, 76
Let's check the options – First option: 76, 56, 34, 57 – M and A cannot be represented by 56 and 34. Second option: 68,
Question : Directions: Select the option in which the number-pair shares the same relationship as that is shared by the following number-pair. 7 : 31
Option 1: 11 : 37
Option 2: 11 : 28
Option 3: 11 : 47
Option 4: 11 : 12
Correct Answer: 11 : 47
Solution : Given: 7 : 31
Multiply the first number by 4 and then add 3 to it, to get the second number in each pair – 7 : 31→(7 × 4) + 3 = 28 + 3 = 31
Let's check the options –
Question : Select the most appropriate option to fill in the blank. The park is a/an ______ place to stroll and exercise.
Option 1: unopen
Option 2: doubtful
Option 3: ideal
Option 4: fussy
Correct Answer: ideal
Solution : The third option is the correct answer.
Explanation: Ideal means perfect or best suited for a particular purpose. In the context of the sentence, describing the park as an ideal place suggests that it is well-suited for strolling and exercising.
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