Staff Selection Commission Combined Higher Secondary Level Exam
Question :
The larvae of cockroach are called:
Option 1:
Caterpillar
Option 2:
Nymph
Option 3: Maggot
Option 4: Grub
Correct Answer:
Solution : The correct option is - Nymph
The slow metamorphosis of cockroaches is the process through which they grow. Egg, nymph, and adult are the three stages of this process. The hormones thyroxine control every transformation that occurs throughout metamorphosis.
Question : If $a^2+b^2+c^2=160$ and $a+b+c=16$, find $a b+b c+c a$.
Option 1: 96
Option 2: 84
Option 3: 48
Option 4: 42
Correct Answer: 48
Solution : Given, $a^2+b^2+c^2=160$ and $a+b+c=16$ We know, $(a+b+c)^2=a^2+b^2+c^2+2(ab+bc+ca)$ ⇒ $16^2 = 160 + 2(a b+b c+c a)$ ⇒ $2(a b+b c+c a)=256-160$ ⇒ $ab+bc+ca=48$ Hence, the correct answer is 48.
Question : Choose the word that means the same as the given word. Faddish
Option 1: Unpopular
Option 2: Phony
Option 3: Barge
Option 4: Fashionable
Correct Answer: Fashionable
Solution : The fourth option is correct.
Faddish means fashionable but not likely to stay fashionable for a long time, while fashionable aligns closely by indicating popular or in a popular style at the time.
The meanings of the other options are as follows:
Question : Which decade is called the "Era of Decolonisation"?
Option 1: 1950s
Option 2: 1980s
Option 3: 1990s
Option 4: 1970s
Correct Answer: 1970s
Solution : The correct answer is 1970s.
The initial stages of widespread decolonisation in Africa started during this decade. Libya achieved independence as the first African nation during this decade in 1951, and the Algerian War started in 1954. Ghana became the first country in sub-Saharan
Question : Goods which are meant either for consumption or for investment are called
Option 1: final goods
Option 2: giffen goods
Option 3: inferior goods
Option 4: intermediate goods
Correct Answer: final goods
Solution : The correct option is final goods.
Final goods are products ready for direct use by consumers or businesses and no longer in production. They satisfy immediate needs or wants. There are two types of final goods:
Question : Directions: Select the Venn diagram that best represents the relationship between the following classes. Lotus, Lily, and Mango
Option 3:
Option 4:
Solution : Based on the general information, Lotus and lily are two different types of flowers and Mango is a type of fruit. So, all the circles will be drawn separately. Therefore, the Venn diagram is as follows –
Hence, the third option is correct.
Question : Directions: Which of the following interchanges in two mathematical operators will balance the equation given below? 63 – 23 × 132 ÷ 12 + 7 = 117
Option 1: ÷ and ×
Option 2: + and –
Option 3: – and ÷
Option 4: + and ×
Correct Answer: + and ×
Solution : Given: 63 – 23 × 132 ÷ 12 + 7 = 117
Let's check the options – First option: ÷ and × 63 – 23 ÷ 132 × 12 + 7 = 117 = 63 – 0.174 × 12 + 7 = 63
Question : Select the option that correctly expresses the following sentence in passive voice.
Are you delivering the pizza?
Option 1: Has the pizza delivered by you?
Option 2: Were the pizza being delivered by you?
Option 3: Will you deliver the pizza?
Option 4: Is the pizza being delivered by you?
Correct Answer: Is the pizza being delivered by you?
Solution : The correct choice is the fourth option.
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
Question : Which one of the following monuments is the first inhabited World Heritage Monument ?
Option 1: Agra Fort
Option 2: Red Fort
Option 3: Jaisalmer Fort
Option 4: Amber Fort
Correct Answer: Jaisalmer Fort
Solution : The Correct Answer is
It was constructed in 1156 AD by Rawal (ruler) Jaisal, from whom it gets its name, and stood at the intersection of several major trade routes, including the ancient Silk Road. In 1541, the fort was also attacked by Humayun,
Question : Directions: Based on the alphabetical order, three of the following letter clusters are alike in a certain way and thus form a group. Which of the following does NOT belong to that group?
Option 1: SUT
Option 2: DGE
Option 3: WYX
Option 4: FHG
Correct Answer: DGE
Solution : Let's check each option – First option: SUT; S + 2 = U; S + 1 = T Second option: DGE; D + 3 = G; D + 1 = E Third option: WYX; W + 2 = Y; W + 1 = X Fourth
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