Staff Selection Commission Combined Graduate Level Exam
Question : A sum of money invested at compound interest amounts to Rs. 800 in 3 years and to Rs. 840 in 4 years. The rate of interest per annum is:
Option 1: $2\frac{1}{2}$%
Option 2: $4$%
Option 3: $5$%
Option 4: $6\frac{2}{3}$%
Correct Answer: $5$%
Solution : Given: A sum of money invested at compound interest amounts to Rs. 800 in 3 years and to Rs. 840 in 4 years. So, Simple interest for 1 year = 840 − 800 = Rs.40 Simple interest =$\frac{\text{Principal×Rate×Time}}{100}$ Rate = $\frac{40×100}{800×1}=5$% Hence, the correct answer
Question : Directions: In the question, a part of the sentence is in bold. Below are given alternatives to the bold part at (1), (2), and (3) that may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
Though he worked hard, but he failed.
(1) and
(2) yet
(3) then
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (2)
Solution : The correct choice is the second option.
"But" should be replaced with ''yet'' to form a pair of correlative conjunctions, since "though" is followed by "yet".
Therefore, the correct sentence is: "Though he worked hard, yet he failed."
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".
(Meditation have been) the most effective way of boosting concentration level.
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The second option is appropriate as 'have' should be replaced with 'has' as per the subject-verb agreement since 'meditation' is a singular subject.
Moreover 'was' given in the first option is incorrect as it means that meditation was effective only in the past
Question : The connective tissue that connects a muscle to a bone is
Option 1: Cartilage
Option 2: Ligament
Option 3: Tendon
Option 4: Interstitial fluid
Correct Answer: Tendon
Solution : The correct option is Tendon.
Tendons are connective tissues that link bones to muscles, allowing muscle-generated force to be transmitted to the bones, resulting in movement. Cartilage is a flexible and robust connective tissue that supports, cushions and shapes numerous body structures such as
Question : $\frac{1}{\sqrt a}-\frac{1}{\sqrt b}=0$, then the value of $\frac{1}{a}+\frac{1}{ b}$ is:
Option 1: $\frac{1}{\sqrt{ab}}$
Option 2: $\sqrt{ab}$
Option 3: $\frac{2}{\sqrt{ab}}$
Option 4: $\frac{1}{2\sqrt{ab}}$
Correct Answer: $\frac{2}{\sqrt{ab}}$
Solution : Given: $\frac{1}{\sqrt{a}}-\frac{1}{\sqrt{b}}=0$ ⇒ $(\frac{1}{\sqrt{a}}-\frac{1}{\sqrt{b}})^2=0^2$ ⇒ $(\frac{1}{{a}}+\frac{1}{{b}}-\frac{2}{\sqrt{ab}})=0$ $\therefore (\frac{1}{{a}}+\frac{1}{{b}})=\frac{2}{\sqrt{ab}}$ Hence, the correct answer is $\frac{2}{\sqrt{ab}}$.
Question : The following sentence has been split into four segments. Identify the segment that contains a grammatical error. The girl lay down / on the bed / besides her mother / and went to sleep.
Option 1: on the bed
Option 2: besides her mother
Option 3: The girl lay down
Option 4: and went to sleep
Correct Answer: besides her mother
Solution : The error lies in the second option.
The correct term to use in this context is beside instead of besides. The word beside means next to or alongside, while besides means in addition to. In this sentence, the girl is lying down next
Question : Ram has an average score of 65 runs in 19 innings in cricket matches. Find out how many runs are to be scored by him in the 20th innings to raise the average score to 67.
Option 1: 135
Option 2: 105
Option 3: 115
Option 4: 195
Correct Answer: 105
Solution : Ram has an average score of 65 runs in 19 innings. Total runs = Average runs × Number of innings So, his total runs in 19 innings are (65 × 19) = 1235 runs To get an average of 67 in 20 innings, he has
Question : Directions: In a certain code language, SPICEY is written as ELOUAY, and PONDER is written as JKLNAZ. How is HOUSED written in that code language?
Option 1: QKDZAO
Option 2: GNTRDC
Option 3: WQJFGU
Option 4: DKQAOZ
Correct Answer: QKDZAO
Solution : Given: SPICEY is written as ELOUAY, and PONDER is written as JKLNAZ.
Divide the word SPICEY into two equal parts, i.e., (SPI) and (CEY), and then subtract 4 from each letter to get the required code – Thus, SPICEY is coded as ELOUAY. Likewise, divide
Question : Surekha Punekar is a _______________dancer from the Indian state of Maharashtra.
Option 1: Tamasha
Option 2: Lavani
Option 3: Povada
Option 4: Koli
Correct Answer: Lavani
Solution : The correct option is Lavani.
Maharashtra, in India, is home to Lavani dancer Surekha Punekar. Traditional Marathi music and songs are frequently heard during Lavani, a famous dance style in Maharashtra that is renowned for its colourful and rhythmic movements.
Question : Directions: Four letter clusters have been given, out of which three are alike in some manner and one is different. Select the odd letter cluster.
Option 1: JPSW
Option 2: BEJQ
Option 3: CFKR
Option 4: MPUB
Correct Answer: JPSW
Solution : Let's check the options – First option: JPSW; J + 6 = P; P + 3 = S; S + 4 = W Second option: BEJQ; B + 3 = E; E + 5 = J; J + 7 = Q Third option: CFKR; C
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