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Question : Select the most appropriate synonym of the given word.
Innate
Option 1: Learnt
Option 2: Inured
Option 3: Inane
Option 4: Inherent
Correct Answer: Inherent
Solution : The fourth option is the correct choice.
Innate means belonging to or determined by factors present in an individual from birth. Inherent means existing as a natural and permanent quality of something or someone. It is clear that innate and inherent are similar in
Question : Select the most appropriate antonym of the given word. Shun
Option 1: cherish
Option 2: avoid
Option 3: reject
Option 4: dodge
Correct Answer: cherish
Solution : The correct choice is the first option.
Explanation: "Shun" means to deliberately avoid or steer clear of something or someone. It implies a conscious decision to stay away or distance oneself. In contrast, "cherish" means to hold something dear, to value it, or to treat
Question : The sides of a triangle are 20 cm, 21 cm, and 29 cm. The area of the triangle formed by joining the midpoints of the sides of the triangle will be:
Option 1: $67 \frac{2}{3}$ cm2
Option 2: $52 \frac{1}{2}$ cm2
Option 3: $47 \frac{1}{2}$ cm2
Option 4: $58 \frac{1}{3}$ cm2
Correct Answer: $52 \frac{1}{2}$ cm2
Solution : Given: The sides of a triangle = 29 cm, 21 cm, and 20 cm We can see, $29^2 = 21^2 + 20^2$ So, this is a right-angled triangle. ⇒ Area $=\frac{1}{2}\times 21\times 20=210$ cm2 Area of the smaller triangle $=\frac14\times210=\frac{105}{2}=52\frac12$ cm$^2$
Question : Nylon threads are made of
Option 1: Polyester polymer
Option 2: Polyamide polymer
Option 3: Polyvinyl polymer
Option 4: Polysaccharide
Correct Answer: Polyamide polymer
Solution : The correct answer is Polyamide polymer.
Nylon polymers are synthetic polymers derived from polyamide polymers. Polymerization produces Nylon polymers, such as Nylon-6, and forms repeating units known as monomers. Because of their strength and adaptability, These synthetic polymers have many applications in textiles, plastics
Question : Comprehension:
In the following 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.
Salvador Dali (1)________ a prominent Spanish surealist painter, (2)______ in Figueres, Catalonia, on 11 May 1904. Dali's father was strict in the education of his children unlike (3)________ mother. Dali had a brother named Salvador (4)_____ was born nine months before him and died of gastroenteritis. When he was five, Dali was taken to his brother's grave and was told that he was his brother's (5)_______. Question: Select the most appropriate option to fill in the blank No. 1.
Option 1: was
Option 2: were
Option 3: has
Option 4: is
Correct Answer: was
Was is the appropriate choice for the sentence, as it is the correct form when we talk about a singular noun in the past tense.
Question : The whole surface area of a pyramid whose base is a regular polygon is 340 cm2, the area of its base is 100 cm2, and the area of each lateral face is 30 cm2. Then the number of lateral faces is:
Option 1: 8
Option 2: 9
Option 3: 7
Option 4: 10
Correct Answer: 8
Solution : Given: Whole surface area = 340 cm2 Area of each lateral face = 30 cm2 Area of base = 100 cm2 Whole surface area = lateral surface area + area of the base ⇒ 340 = lateral surface area + 100 $\therefore$
Question : The Khilafat Movement was launched to protest against the humiliation of
Option 1: The Turkish Caliph
Option 2: Aga Khan
Option 3: Muhammad Ali Jinnah
Option 4: Abdul Kalam Azad
Correct Answer: The Turkish Caliph
Solution : The correct option is Turkish Caliph.
Muslims in India initiated the Khilafat Movement at the beginning of the 20th century, which was a significant political movement. It was intended to express opposition to the Allied Powers demolition of the Ottoman Caliphate and their
Question : Directions: Three different positions of the same dice are shown. Find the number on the face opposite the face showing 4.
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 6
Correct Answer: 6
Solution : According to the dice rule if two or three positions of the same dice are given with two common faces but in different orientations then out of those two common faces the faces that are not common are opposite to each other. While considering Figures
Question : If $\frac{a^{2} - bc}{a^{2}+bc}+\frac{b^{2}-ca}{b^{2}+ca}+\frac{c^{2}-ab}{c^{2}+ab}=1$, then the value of $\frac{a^{2}}{a^{2}+bc}+\frac{b^{2}}{b^{2}+ac}+\frac{c^{2}}{c^{2}+ab}$ is:
Option 1: 0
Option 2: 1
Option 3: –1
Option 4: 2
Correct Answer: 2
Solution : $\frac{a^{2}-bc}{a^{2}+bc}+\frac{b^{2}-ca}{b^{2}+ca}+\frac{c^{2}-ab}{c^{2}+ab}=1$ Adding 3 on both sides, $⇒(\frac{a^{2}-bc}{a^{2}+bc}+1)+(\frac{b^{2}-ca}{b^{2}+ca}+1)+(\frac{c^{2}-ab}{c^{2}+ab}+1)=1+3$ $⇒(\frac{a^{2}-bc+a^{2}+bc}{a^{2}+bc})+(\frac{b^{2}-ca+b^{2}+ca}{b^{2}+ca})+(\frac{c^{2}-ab+c^{2}+ab}{c^{2}+ab})=4$ $⇒(\frac{2a^{2}}{a^{2}+bc})+(\frac{2b^{2}}{b^{2}+ca})+(\frac{2c^{2}}{c^{2}+ab})=4$ $⇒\frac{a^{2}}{a^{2}+bc}+\frac{b^{2}}{b^{2}+ac}+\frac{c^{2}}{c^{2}+ab}=2$ Hence, the correct answer is 2.
Question : If $x^2-7 x+1=0$ and $0<x<1$, what is the value of $x^2-\frac{1}{x^2}?$
Option 1: $21\sqrt{5}$
Option 2: $-21\sqrt{5}$
Option 3: $28\sqrt{5}$
Option 4: $-28\sqrt{5}$
Correct Answer: $-21\sqrt{5}$
Solution : Given: $x^2-7 x+1=0$ ⇒ $x+\frac{1}{x}=7$ Squaring the equation, we get, $(x+\frac{1}{x})^2=7^2$ ⇒ $x^2+\frac{1}{x^2}+2=49$ ⇒ $x^2+\frac{1}{x^2}=47$ And we know, $(x-\frac{1}{x})^2=x^2+\frac{1}{x^2}-2$ ⇒ $(x-\frac{1}{x})^2=47-2=45$ ⇒ $x-\frac{1}{x}=\pm\sqrt{45}$ ⇒ $x=-\sqrt{45}$ [As $0<x<1$] Now consider, $x^2-\frac{1}{x^2}$ Using $a^2-b^2=(a-b)(a+b)$ $=(x+\frac{1}{x})(x-\frac{1}{x})$ $=7\times (-\sqrt{45})$ $=-7\times 3\sqrt5=-21\sqrt5$ Hence, the correct answer is $-21\sqrt5$.
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