Staff Selection Commission Combined Graduate Level Exam
Question : Clove, the commonly used spice, is obtained from:
Option 1: root
Option 2: stem
Option 3: flower bud
Option 4: fruit
Correct Answer: flower bud
Solution : The correct option is flower bud.
The fragrant dried flower buds known as cloves come from a tree in the Myrtaceae family. The clove tree is an evergreen with huge leaves and crimson flowers in multiple clusters at the terminals. When the flower
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error".
So, the next time you are eating sushi, (1) / you exactly know what to do with (2) / that extra wasabi that have come along. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The correct choice is the third option.
The verb "has" should be used instead of "have" as per the subject-verb agreement. Since"wasabi" is a singular noun, it should be followed by the singular verb "has".
So, the correct sentence is: So, the next time
Question : Find the value of $k$, if $13 - [10 - \{16 + 8 \div(k - 2)\} + 2] = 20$
Option 1: $\frac{14}{3}$
Option 2: $\frac{31}{3}$
Option 3: $\frac{40}{13}$
Option 4: $\frac{23}{13}$
Correct Answer: $\frac{14}{3}$
Solution : $13-[10-\{16+8 \div(k-2)\}+2] = 20$ ⇒ $13-[10-{16-\frac{8}{k-2}}+2] = 20$ ⇒ $13-[10-\{\frac{16k-32+8}{k-2}\}+2] = 20$ ⇒ $13-[\frac{10k-20-16k+32-8+2k-4}{k-2}]=20$ ⇒ $13-[\frac{-4k}{k–2}] = 20$ ⇒ $13+\frac{4k}{k–2} = 20$ ⇒ $13k-26+4k = 20k-40$ ⇒ $3k = 14$ ⇒ $k = \frac{14}{3}$ Hence, the correct answer is $\frac{14}{3}$.
Question : Select the most appropriate option that can substitute the underlined segment in the given sentence.
We must remember that what we teach our children is what we inculcate in them.
Option 1: endanger
Option 2: inspire
Option 3: instil
Option 4: import
Correct Answer: instil
Inculcate means to put an idea gradually in someone's mind with persistent instruction, and "instil" also means to gradually but firmly establish an idea or thought in someone which makes it the correct choice.
The meanings of the
Question : The layer where the decrease in temperature with increasing altitude is absent is
Option 1: Troposphere
Option 2: Ionosphere
Option 3: Stratosphere
Option 4: Mesosphere
Correct Answer: Stratosphere
Solution : The answer is the Stratosphere.
The stratosphere is the layer where the temperature rises with increasing altitude. The existence of the ozone layer, which absorbs UV light and causes temperatures to rise with height, distinguishes this layer.
Question : Directions: In the following question, select the related number from the given alternatives. 12 : 39 :: 15 : ?
Option 1: 48
Option 2: 52
Option 3: 39
Option 4: 51
Correct Answer: 48
Solution : Given: 12 : 39 :: 15 : ?
(12 × 3) + 3 = 36 + 3 = 39 Similarly, (15 × 3) + 3 = 45 + 3 = 48
Hence, the first option is correct.
The children which are assembled (1)/ in the hall are the ones (2)/ chosen for the field trip. (3)/ No Error (4)
Correct Answer: (1)
Solution : The error lies in the first part of the sentence.
The sentence contains an error in the use of the relative pronoun. Which should be replaced with who because we are referring to children. Which is used for non-human entities, while who is used for
Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series. 4, 11, 20, 31, 44, ?
Option 1: 61
Option 2: 63
Option 3: 57
Option 4: 59
Correct Answer: 59
Solution : Given: 4, 11, 20, 31, 44, ?
In the above-given series, add the consecutive odd numbers, starting from 7. 4 + 7 = 11; 11 + 9 = 20; 20 + 11 = 31; 31 + 13 = 44; 44 + 15 = 59
So,
Question : The number of solid spheres, each of diameter 6 cm, that could be moulded to form a solid metal cylinder of height 90 cm and diameter 4 cm is:
Option 1: 10
Option 2: 14
Option 3: 16
Option 4: 13
Correct Answer: 10
Solution : We have, The radius of the sphere, $R$ = 3 cm The radius of the cylinder, $r$ = 2 cm The height of the cylinder, $h$ = 90 cm Now, the required number of solid spheres = $\frac{\text{ Volume of the cylinder}}{\text{Volume of the Sphere}}$
Question : Directions: In the following question below, some statements are followed by some conclusions. Taking the given statements to be true, even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusions logically follows from the given statements. Statements: I. No student is a teacher. II. All students are children. III. Some girls are students. Conclusions: I. Some children are not teachers. II. Some girls are not teachers. III. No girl is a teacher.
Option 1: Only conclusions I and II follow
Option 2: All conclusions follow
Option 3: Only conclusions II and III follow
Option 4: Only conclusions I and III follow
Correct Answer: Only conclusions I and II follow
Solution : The possible Venn diagram, according to the given statements is as follows –
Let's analyse the conclusions – Conclusion I: Some children are not teachers – From the Venn diagram, it is evident that some children are students and no
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