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Staff Selection Commission Combined Higher Secondary Level Exam

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Question : Directions: Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.

Option 1:

Option 2:

Option 3:

Option 4:

Team Careers360 27th Jan, 2024

Correct Answer:


Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection.
Here, according to the information provided, the mirror is placed on the right side of the figure (on line MN). So, the left side of the reflected image will appear

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Question : Which of the following colloids is an example of foam?

Option 1: Sponge

Option 2: Butter

Option 3: Cheese

Option 4: Mist

Team Careers360 27th Jan, 2024

Correct Answer: Sponge


Solution : The correct option is Sponge.

One kind of colloid that is an example of foam is a sponge. Foam refers to the dispersion of gas bubbles in a liquid or solid medium, while colloids are materials that have uniformly distributed particles within them. Their colloidal

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Question : What is the name of the indigenously developed special aviation fuel by the Indian Oil Corporation in September 2022?

Option 1: LNG 30

Option 2: CNG 101

Option 3: AVGAS 100 LL

Option 4: ATF NEW 50

Team Careers360 27th Jan, 2024

Correct Answer: AVGAS 100 LL


Solution : The correct option is AVGAS 100 LL.

The Indian Oil Corporation has domestically engineered AVGAS 100 LL for application in piston engine aircraft and unmanned aerial vehicles. Specifically designed to fuel aircraft equipped with spark-ignition piston engines, where combustion is initiated by

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Question : The point $R(a,b)$ is first reflected over the origin to $R_1$ and $R_1$ is reflected over the X-axis to (–4, 2). The coordinates of point $R$ are:

Option 1: (–4, –2)

Option 2: (–4, 2)

Option 3: (4, 2)

Option 4: (4, –2)

Team Careers360 27th Jan, 2024

Correct Answer: (4, 2)


Solution : Given: The coordinates of the point $R(a,b)$ reflected over the origin are $R(–a,–b)$.
The coordinates of $R(–a,–b)$ are reflected over the X-axis to $(–a, b)$.
But $(–a, b)$ $=(–4, 2)$
So, $a=4,b=2$
Thus point R (4, 2)
Hence, the correct answer is (4, 2).

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Question : Directions: Find out the correct alternative that when filled in the blanks in the same sequence will make the series logically complete.
J_SX _WUTNS_P_OYLRKA_

Option 1: AKVML

Option 2: ALWPH

Option 3: ALWLK

Option 4: AKUOG

Team Careers360 26th Jan, 2024

Correct Answer: ALWPH


Solution : Given:
J_SX_WUTNS_P_OYLRKA_

Add 2 in the first and third letter and subtract 4 from the second and fourth letter of the given term –

So, the missing term is ALWPH. Hence, the second option is correct.

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