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Question : A and B together can do a certain work in $x$ days. Working alone, A and B can do the same work in ($x$ + 8) and ($x$ + 18) days, respectively. A and B together will complete $\frac{5}{6}$th of the same work in:
Option 1: 12 days
Option 2: 8 days
Option 3: 10 days
Option 4: 9 days
Correct Answer: 10 days
Solution : According to the question, One day work of A = $\frac{1}{x + 8}$ work per day One day work of B = $\frac{1}{x + 18}$ work per day One day work of (A + B) = $\frac{1}{x}$ ⇒ $\frac{1}{x + 8 }$ + $\frac{1}{x
Question : Given below are four sentences in jumbled order. Pick the option that gives their correct order.
A. She had never seen so large and so golden an apple. B. Hilda was passing through an orchard when an apple fell at her feet. C. So, she wrapped it in her handkerchief and carried it home to store it in her drawer. D. She held it carefully in her clasped hands and thought it would be a pity to eat it.
Option 1: DACB
Option 2: BADC
Option 3: BCAD
Option 4: ABCD
Correct Answer: BADC
Solution : The correct order is the second option: BADC.
The logical flow of sentences is as follows:
Question : What is the name of the 87th element on the periodic table that has no known biological role because it has a half-life of only 22 minutes?
Option 1: Meitnerium
Option 2: Dubnium
Option 3: Seaborgium
Option 4: Francium
Correct Answer: Francium
Solution : The correct answer is Francium.
The 87th element on the periodic table is Francium, which has no known biological role due to its extreme radioactivity and short half-life. Francium is a chemical element with the atomic number 87, and the symbol Fr. It is
Question : Which of the following is used as control rods in Atomic reactor?
Option 1: Sodium
Option 2: Uranium
Option 3: Graphite
Option 4: Boron
Correct Answer: Boron
Solution : The correct option is - Boron
Atomic reactor control rods are made of boron. The fission rate of uranium and plutonium is regulated using control rods that have a high neutron absorption capacity without self-decaying. The rod can also be formed of silver, indium,
Question : Directions: If the 29th of November 2010 was Monday, then what was the day of the week on the 29th of November 2017?
Option 1: Saturday
Option 2: Friday
Option 3: Wednesday
Option 4: Thursday
Correct Answer: Wednesday
Solution : Given: The 29th of November 2010 was Monday.
Let's calculate the total number of days from the 29th of November 2010 to the 29th of November 2017 – 7 × 365 = 2555 + 2 = 2557 ( 2 days are being added as 2012
Question : Select the most appropriate ANTONYM of the given word. Vague
Option 1: Elegant
Option 2: Regal
Option 3: Definite
Option 4: Dwarf
Correct Answer: Definite
Solution : The third option is correct.
Vague describes something that is unclear, imprecise, or lacking in detail, making it difficult to understand or define. On the other hand, definite is the opposite, suggesting something that is clear, precise, and specific.
Therefore, the antonym of vague is
Question : Find the fourth proportion to 8,14, and 24.
Option 1: 42
Option 2: 26
Option 3: 40
Option 4: 36
Correct Answer: 42
Solution : Let the fourth proportion be $x$. So, 8 : 14 :: 24 : $x$ ⇒ $\frac{8}{14}=\frac{24}{x}⇒x=42$ Hence, the correct answer is 42.
Question : Directions: Find out from among the four alternatives how the pattern would appear when the transparent sheet is folded at the dotted line.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : When the given unfolded transparent sheet is folded, it will look like –
Hence, the second option is correct.
Question : Directions: In this question, a part of the sentence is in bold. Below are given alternatives to the bold parts at 1, 2, and 3, which may improve the sentence. Choose the correct alternative. If no improvement is needed, your answer is 4.
Her activities are limited only to cooking and washing clothes.
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The correct choice is the second option.
Limited to is the correct choice because it maintains the meaning of restriction or confinement, and it is a concise and clear way to express the same idea.
The only in the original sentence is not necessary, and
Question : The measure of three angles of a quadrilateral are in the ratio 1 : 2 : 3. If the sum of these three measures is equal to the measure of the fourth angle, then find the smallest angle.
Option 1: $30^\circ$
Option 2: $40^\circ$
Option 3: $60^\circ$
Option 4: $50^\circ$
Correct Answer: $30^\circ$
Solution : Let the 1st, 2nd and 3rd angles be $x$, $2x$, and $3x$. $\therefore$ The 4th angle = $x+2x+3x=6x$ We know that the sum of the angles of the quadrilateral is $360^\circ$. According to the question, $x+2x+3x+6x=360^\circ$ ⇒ $12x=360^\circ$ ⇒ $x=30^\circ$ Since, the smallest angle is
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