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Question : A light ray travelling from denser to rarer medium at an angle of incidence more than the critical angle of the concerned media pair suffers:
Option 1: reflection
Option 2: refraction
Option 3: diffraction
Option 4: total internal reflection
Correct Answer: total internal reflection
Solution : The correct answer is total internal reflection.
Total internal reflection is the complete reflection of a light ray within a medium, like water, or glass, back into the same medium. This phenomenon occurs when the angle of incidence surpasses a critical angle.
Question : Directions: Three statements are given followed by three conclusions numbered I, II, and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: I. All pencils are colours. II. All colours are paints. III. Some paints are drawings. Conclusions: I. Some pencils are drawings. II. Some paints are colours. III. Some colours are pencils.
Option 1: Only conclusions I and III follow
Option 2: Only conclusions II and III follow
Option 3: Only conclusions I and II follow
Option 4: All conclusions follow
Correct Answer: Only conclusions II and III follow
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): Some pencils are drawings – From the Venn diagram, there is no direct relation between pencils and drawings. Therefore, this
Question : Directions: In a code language, TORCH is written as WRUFK. How will WINTER be written in that language?
Option 1: YLQXHU
Option 2: ZLQWHV
Option 3: ZLQWHU
Option 4: ZLPWGU
Correct Answer: ZLQWHU
Solution : Given: TORCH is written as WRUFK.
Add 3 in the position value of the letters of TORCH, to obtain the required code – Thus, TORCH is coded as WRUFK. Similarly, follow the same pattern for WINTER –
Thus, WINTER is coded as ZLQWHU. Hence, the
Question : Directions: The bar graph given below represents the number of boys in a school using three apps for three months.
The number of boys using WhatsApp in February is how much percentage more than the number of using Facebook in February?
Option 1: 50%
Option 2: 33.33%
Option 3: 66.66%
Option 4: 44.22%
Correct Answer: 50%
Solution : As per the given graph, The number of boys using WhatsApp in February = 750 The number of boys using Facebook in February = 500 The required percentage $=\frac{750-500}{500}×100=50$% Hence, the correct answer is 50%.
Question : Select the most appropriate synonym of the underlined word. The fraudsters hoodwinked us and took away all our valuables.
Option 1: Coerced
Option 2: Threatened
Option 3: Misguided
Option 4: Deceived
Correct Answer: Deceived
Solution : The fourth option is correct.
The word hoodwinked refers to being deceived or tricked by someone in a clever or deceitful manner.
Deceived means being misled or tricked into believing something that is not true.
The meanings of the other options are as follows:
Question : Select the most appropriate option to substitute the underlined segment in the given sentence. If no substitution is required, select ‘No substitution’.
I wish the people in the queue would move a little fastly.
Option 1: would move a little faster
Option 2: would moved little bit fast
Option 3: were moving little fast
Option 4: No substitution
Correct Answer: would move a little faster
Solution : The correct choice is the first option.
Faster is the correct comparative adjective that should be used in place of the adverb fastly to make the sentence grammatically accurate and convey its intended meaning.
Therefore, the correct sentence is: "I
Question : Select the INCORRECTLY spelt word.
Option 1: Adjourn
Option 2: Addict
Option 3: Abdact
Option 4: Advise
Correct Answer: Abdact
Solution : The third option is the correct answer.
Abdact is a misspelling, and the correct term is abduct, which means to take someone away illegally or by force.
The meanings of other options are as follows:
Question :
The animal that do not develop hypertension inspite of heavy intake of salt is:
Option 1:
Sheep
Option 2:
Buffalo
Option 3: Tiger
Option 4: Camel
Correct Answer: Camel
Solution : The correct option is Camel.
The camel is the only mammal that does not get hypertension despite consuming a lot of salt. Camels are suited to surviving in hot, dry climates, and they require a lot of water to thrive. They must preserve water, thus
Question : Directions: If S denotes multiplied by, V denotes subtracted from, M denotes added to and L denotes divided by, then 2 V 13 M 77 L 11 S 5 = ?
Option 1: 23
Option 2: 24
Option 3: 34
Option 4: 44
Correct Answer: 24
Solution : Given: 2 V 13 M 77 L 11 S 5 = ?
On replacing the letters with the assigned mathematical signs, the equation becomes – = 2 – 13 + 77 ÷ 11 × 5 = 2 – 13 + 7 × 5 = 2
Question : Which among the following sports does not have its apex national governing body headquartered in New Delhi?
Option 1: Athletes Federation of India
Option 2: Badminton Association of India
Option 3: Volleyball Federation of India
Option 4: Hockey India
Correct Answer: Volleyball Federation of India
Solution : The correct answer is the Volleyball Federation of India.
The headquarters of the Volleyball Federation of India is located in Chennai. The federation was established in 1951 and serves as India's governing body for volleyball. Previously, the Olympic Association of India
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