Staff Selection Commission Combined Higher Secondary Level Exam
Question : Find the area of a right-angled triangle whose base is 12 cm and the hypotenuse is 13 cm.
Option 1: 30 cm2
Option 2: 55 cm2
Option 3: 65 cm2
Option 4: 22 cm2
Correct Answer: 30 cm2
Solution : Area of right-angled triangle $=\frac{1}{2}\times \text{Base}\times\text{Height}$ Given, Base = 12 cm and Hypotenuse = 13 cm Let the perpendicular be $p$. Using Pythagoras theorem, $\small\text{Hypotenuse}^2=\text{Base}^2+\text{Perpendicular}^2$ ⇒ $13^2=12^2+p^2$ ⇒ $169=144+p^2$ ⇒ $p^2=25$ ⇒ $p=5$ cm $\therefore$ Area $= \frac{1}{2}\times 12\times 5=6\times 5 = 30$
Question : The colour change in the Chameleon is due to the presence of:
Option 1: Haemoglobin
Option 2: chromatophore
Option 3: chlorophyll
Option 4: pneumatophore
Correct Answer: chromatophore
Solution : The correct answer is chromatophore.
Chameleons' colour changes are caused by the presence of chromatophores, which are unique cells in their skin. Chromatophores include pigments that may be manipulated in size or concentration to generate a variety of colours.
Question : Neap tides are
Option 1: strong
Option 2: weak
Option 3: medium
Option 4: very strong
Correct Answer: weak
Solution : The correct answer is weak.
Neap tides are weaker than Spring tides. Tides are the rhythmic rise and fall in ocean levels by the effect of the gravity of the sun and moon. It is classified into two types- Spring tides and Neap tides.
Question : Directions: If in a certain code, ONE is coded as 231, FIVE is coded as 9641, then how will be NINE coded?
Option 1: 3631
Option 2: 3316
Option 3: 3613
Option 4: 3361
Correct Answer: 3631
Solution : Given: ONE is written as 231 and FIVE is written as 9641.
On observing the given words it is clear that all the letters of the word NINE are present in the given words ONE and FIVE. So, the codes for the letters of the
Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
The teacher said, "It is time that your daughter (has learned) how to write".
(1) had learned
(2) had learnt
(3) learnt
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The correct choice is the third option.
Explanation: The phrase "has learned", which means 'has already completed the process of learning, should be replaced with learnt, thereby indicating that the teacher is expressing that it's high time for the daughter to learn how
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 blank. Snakes are elongated, legless, carnivorous 1. ______ that can be distinguished from legless lizards by 2. ______ lack of eyelids and external ears. 3. ______ species of snakes have skulls with several more joints than their lizard ancestors, 4. ______ them to swallow prey much larger than their heads with their highly mobile jaws. To accommodate their narrow bodies, snakes' paired organs (such as kidneys) appear one in front of the other instead of side 5. ______ side and most have only one functional lung. Select the most appropriate option to fill in the blank No.1.
Option 1: birds
Option 2: reptiles
Option 3: mammals
Option 4: amphibians
Correct Answer: reptiles
Solution : The correct answer is the second option.
The sentence describes creatures with elongated, legless bodies, lack of eyelids, and external ears. These characteristics are common to reptiles, particularly snakes. Snakes are a subgroup of reptiles characterised by their elongated bodies, lack of legs, and unique
Question : Directions: Select the option figure in which the given figure is embedded. (rotation is NOT allowed)
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Since the rotation is restricted. So, the embedded figure will have the same orientation as the main figure. By comparison of all the option figures, the given question figure is embedded only in the first option figure.
Hence, the first option is correct.
Question : Select the correct passive form of the given sentence.
Ravish likes chocolate.
Option 1: Chocolate was liked by Ravish.
Option 2: Chocolate is liked by Ravish.
Option 3: Chocolate were liked by Ravish.
Option 4: Chocolate is being liked by Ravish.
Correct Answer: Chocolate is liked by Ravish.
Solution : The correct choice is the second option.
Explanation: Passive voice is the voice in which the object experiences an action rather than the person who performs the action. Hence, the object in the active sentence becomes the subject in the
Question : Directions: In the given question, select the related letter cluster from the given alternatives. LJHF : USQO :: QOMK : ?
Option 1: QPSR
Option 2: PNMK
Option 3: VTRP
Option 4: YXWU
Correct Answer: VTRP
Solution : Given: LJHF : USQO :: QOMK : ?
The difference between the place value of the letters of the given letter cluster and its related letter cluster is constant – L + 9 = U; J + 9 = S; H + 9 = Q;
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 blank.
Teenage is a (1)______ of life that everyone goes through between childhood and adulthood. During this time, teenagers go through many changes, both physically and emotionally. They may experience mood swings, have difficulty expressing their feelings, and sometimes (2)_______ impulsively. Teenagers are also trying to figure out their place in the world and may face pressure from peers, parents, and society to (3)_______ to certain expectations. It is important for teenagers to have a support system that allows them to explore their interests, develop their own identities, and make healthy choices. Despite the challenges that come with being a teenager, it can also be an exciting and transformative time. Teenagers have the (4)_______ to learn new skills, make lifelong friends, and explore new experiences that can shape their future. It is important for parents, educators, and other adults to provide teenagers with guidance, support, and resources that can help them (5)______ the challenges of adolescence.
Select the most appropriate option to fill in the blank No. 4.
Option 1: possibility
Option 2: captivity
Option 3: opportunity
Option 4: ability
Correct Answer: opportunity
In the context of the sentence, opportunity fits well, as it emphasises that teenagers have the chance or possibility to engage in various positive activities and experiences during their teenage years.
It conveys a sense of potential and
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