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Question : Directions: Select the figure that will replace the question mark (?) in the following series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : According to the given figure series – 1. The triangle at the sides of the rectangle increases by one in a clockwise direction as we move from one box to another. 2. Only two triangles are formed on each side of the rectangle.
So, following the
Question : HCF of $\frac{3}{4},\frac{15}{16}$, and $\frac{18}{5}$ is:
Option 1: $\frac{3}{80}$
Option 2: $\frac{18}{5}$
Option 3: $\frac{5}{16}$
Option 4: $\frac{15}{16}$
Correct Answer: $\frac{3}{80}$
Solution : Given numbers are $\frac{3}{4},\frac{15}{16}$ and $\frac{18}{5}$ So, HCF of $\frac{3}{4},\frac{15}{16},$ and $\frac{18}{5}$ = $\frac{\text{HCF of 3, 15, and 18}}{\text{LCM of 4, 16, and 5}}$ = $\frac{3}{80}$ Hence, the correct answer is $\frac{3}{80}$.
Question : In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.
To pull the trigger
Option 1: To make an exaggerated statement
Option 2: To do unnecessary things
Option 3: To insult and disgrace the people
Option 4: To commit a course of action
Correct Answer: To commit a course of action
Solution : The fourth option is correct.
The idiom to pull the trigger typically means to take action or make a decision that leads to a significant event or outcome. It refers to the moment of initiating or starting something that will
Question : Directions: In the following question, some parts of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No Error".
I took the shortest (1) / way through the (2) / little park close the palace. (3) / No Error (4).
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The correct answer is the third option.
To should be used in the sentence to convey that the speaker took the shortest possible road through a park that was near a palace.
The preposition to is used to indicate the location of the park concerning
Question : Who among the following returned to India in January 1915?
Option 1: Subhas Chandra Bose
Option 2: Mohandas Karamchand Gandhi
Option 3: Chittaranjan Das
Option 4: Motilal Nehru
Correct Answer: Mohandas Karamchand Gandhi
Solution : The correct answer is Mohandas Karamchand Gandhi.
After being overseas for twenty years, Mohandas Karamchand Gandhi returned to India in January 1915. He had spent most of these years practising law in South Africa, where he eventually rose to prominence as the
Question : The age range for the youth boxer category is:
Option 1: 15 – 16 years
Option 2: 19 – 20 years
Option 3: 17 – 18 years
Option 4: 13 – 18 years
Correct Answer: 17 – 18 years
Solution : The correct answer is 17 – 18 years.
Sub-junior boxers are those boys and girls who are 12 to 16 years old throughout the boxing season. A boxer's age is calculated from the year of birth.
Junior (youth) boxers are boys
Question : What is the metric unit of pressure that is equal to 0.986923 atm?
Option 1: Bar
Option 2: Quart
Option 3: Gallon
Option 4: Yard
Correct Answer: Bar
Solution : The correct option is Bar.
The metric unit of pressure that is equal to 0.986923 atmospheres (atm) is the bar. Therefore, 0.986923 atm is equivalent to 0.986923 bars. The conversion factor between atmospheres and bars is 1 atm = 1.01325 bar.
Pressure is a
Question : If $\frac14\text{ of }\frac45+\frac95\text{ of }\frac{17}{3}-\frac{3}{10}=p$, then what is the value of $p$?
Option 1: $\frac{127}{5}$
Option 2: $\frac{177}{5}$
Option 3: $\frac{255}{2}$
Option 4: $\frac{51}{2}$
Correct Answer: $\frac{127}{5}$
Solution : Given expression, $\frac14\text{ of }\frac45+\frac92\text{ of }\frac{17}{3}-\frac{3}{10}=p$ ⇒ $p=\frac{1}{5}+\frac{51}{2}-\frac{3}{10}$ ⇒ $p=\frac{2+255-3}{10}$ ⇒ $p=\frac{254}{10}=\frac{127}{5}$ Hence, the correct answer is $\frac{127}{5}$.
Question : The equation $\cos ^{2}\theta=\frac{(x+y)^{2}}{4xy}$ is only possible when,
Option 1: $x=-y$
Option 2: $x>y$
Option 3: $x=y$
Option 4: $x<y$
Correct Answer: $x=y$
Solution : $\cos ^{2}\theta=\frac{(x+y)^{2}}{4xy}$ We know that $(x+y)\geq 2\sqrt{xy}$ (Since the arithmetic mean is always greater than or equal to the geometric mean) $⇒(x+y)^2\geq 4xy$ $⇒\frac{(x+y)^2}{4xy}\geq 1$ Since $0\leq \cos ^{2}\theta\leq 1$, solution exists when $\frac{(x+y)^2}{4xy}=1$ $\therefore \frac{(x+y)^2}{4xy}=1$ $⇒4xy =x^2+y^2 + 2xy$ $⇒x^2+y^2 - 2xy=0$ $⇒(x-y)^2 =
Question : If $\mathrm{p}=7+4 \sqrt{3}$, then what is the value of $\frac{\mathrm{p}^6+\mathrm{p}^4+\mathrm{p}^2+1}{\mathrm{p}^3}$?
Option 1: 2617
Option 2: 2167
Option 3: 2716
Option 4: 2176
Correct Answer: 2716
Solution : Given, $p=7+4\sqrt3$ ⇒ $\frac1p=\frac{1}{7+4\sqrt3}$ ⇒ $\frac1p=\frac{1}{7+4\sqrt3}\times\frac{7-4\sqrt3}{7-4\sqrt3}$ ⇒ $\frac{1}{p}=\frac{7-4\sqrt3}{(7+4\sqrt3)(7-4\sqrt3)}$ We know $(a+b)(a-b)=a^2-b^2$ ⇒ $\frac1p=\frac{7-4\sqrt3}{7^2-(4\sqrt3)^2}$ ⇒ $\frac1p=\frac{7-4\sqrt3}{49-48}$ ⇒ $\frac1p=7-4\sqrt3$ ⇒ $p+\frac1p=7+4\sqrt3+7-4\sqrt3=14$ Now, consider $\frac{p^6+p^4+p^2+1}{p^3}$ $=\frac{p^6+1}{p^3}+\frac{p^4+p^2}{p^3}$ $=(p^3+\frac{1}{p^3})+(p+\frac{1}{p})$ We know, $(a+b)^3=a^3+b^3+3ab(a+b)$ So, $=(p^3+\frac{1}{p^3})+(p+\frac{1}{p})=(p+\frac1p)^3-3(p+\frac{1}{p})+(p+\frac1p)$ $=(p+\frac1p)^3-2(p+\frac{1}{p})$ $=14^3-2\times14$ $=2744-28$ $=2716$ Hence, the correct answer is 2716.
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