Staff Selection Commission Combined Graduate Level Exam
Question : If $405:y::y:125$ and $y>0$, then find the value of $y$.
Option 1: 225
Option 2: 205
Option 3: 215
Option 4: 235
Correct Answer: 225
Solution : Given: $405:y::y:125$ ⇒ $\frac{405}{y}=\frac{y}{125}$ ⇒ $y^2=405×125$ ⇒ $y=\sqrt{50625}$ $\therefore y=225$ Hence, the correct answer is 225.
Question : A and B together can do a piece of work in 12 days. A alone can do it in 18 days. In how many days B alone can do the work?
Option 1: 36 days
Option 2: 24 days
Option 3: 32 days
Option 4: 30 days
Correct Answer: 36 days
Solution : A and B together can do a piece of work in = 12 days. A alone can do the same work in = 18 days. Time = $\frac{\text{Total work}}{\text{Efficiency}}$ Total work = Least Common Multiple of 12 and 18 = 36 units Efficiency of
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer. Few countries can ____ India in variety, colour and richness of dance forms.
Option 1: compare
Option 2: rival
Option 3: perform
Option 4: prevail
Correct Answer: rival
Solution : The second option is the correct answer: rival.
Compare: To examine the similarities and differences between two or more things. Rival: A competitor or opponent in a contest or competition. Perform: To carry out a task or an action; to execute or
Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 6, 12, 36, 144, 720, 4320, ?
Option 1: 30420
Option 2: 30240
Option 3: 31240
Option 4: 32240
Correct Answer: 30240
Solution : Given: 6, 12, 36, 144, 720, 4320, ?
Multiply each previous term by consecutive natural numbers starting from 2 to get the next term. 6 × 2 = 12; 12 × 3 = 36; 36 × 4 = 144; 144 × 5 = 720; 720
Question : A policeman spots a thief at a distance of 360 m. Both the policeman and the thief simultaneously start running, with the former chasing the latter. While the thief runs at the speed of 8 km/h, the policeman runs at 9.2 km/h. How many metres will the policeman have to run before he catches up with the thief?
Option 1: 2852
Option 2: 2714
Option 3: 2668
Option 4: 2760
Correct Answer: 2760
Solution : Speed of thief = 8 km/h Speed of policeman = 9.2 km/h Relative speed of policeman with respect to thief = 9.2 – 8 = 1.2 km/h Relative distance the policeman needs to cover = 360 m = 0.36 km Time taken by policeman to
Question : Raghav purchased a shirt at Rs.1,500 and marked up the price of the shirt by 40%. What is the discount percentage he has to offer in order to get a profit of Rs. 75?
Option 1: 25%
Option 2: 15%
Option 3: 75%
Option 4: 50%
Correct Answer: 25%
Solution : The cost price of the shirt is Rs.1,500. Raghav marked up the price of the shirt by 40%. Marked up price = Cost price + ($\frac{40}{100}\times$Cost price) Marked up price = 1500 + ($\frac{40}{100}\times$ 1500) = 1500 + 600 = 2100 Profit = Marked up
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer. There was a serious ____ between the two brothers.
Option 1: altercation
Option 2: alteration
Option 3: aberration
Option 4: alliteration
Correct Answer: altercation
Solution : The correct choice is the first option.
Explanation: An "altercation" refers to a heated or serious argument or dispute between people. It fits the context of the sentence, which suggests a conflict between the two brothers.
The meanings of the other options are as follows:
Question : Directions: Select the option that represents the correct order of the given words as they would appear in an English dictionary. 1. Sennet 2. Sennight 3. Sennit 4. Seniority 5. Senna
Option 1: 4, 5, 1, 2, 3
Option 2: 5, 4, 2, 1, 3
Option 3: 4, 5, 2, 1, 3
Option 4: 4, 5, 1, 3, 2
Correct Answer: 4, 5, 1, 2, 3
Solution : Given: 1. Sennet 2. Sennight 3. Sennit 4. Seniority 5. Senna
Step 1: Compare the first letter of all the words. Since all the words start will the same letter S, then move on to the next letter. Step 2:
Question : Which of the statements given below are correct?
(i) The author of the novel 'Brave New World' is Aldous Huxley.
(ii) The author of the novel 'An Affair Downstairs' is Sherri Browning.
(iii) The author of the novel 'Darkness at Noon' is Victor Lavalle.
Option 1: (i) and (ii)
Option 2: (ii) and (iii)
Option 3: (i) and (iii)
Option 4: (i), (ii) and (iii)
Correct Answer: (i) and (ii)
Solution : The correct answer is (i) and (ii).
Aldous Huxley wrote the novel Brave New World. The work serves as a warning about the risks of authoritarianism as well as the value of individuality. Sherri Browning wrote the novel An Affair Downstairs. The story
Question : Select the sentences that contain no spelling errors.
Option 1: The hippoputamus, also known as ‘river horse’, lives throughout sub-Saharan Africa.
Option 2: The hipopotamus, also known as ‘river horse’, lives throughout sub-Saharan Africa.
Option 3: The hippopotmaus, also known as ‘river horse’, lives throughout sub-Saharan Africa.
Option 4: The hippopotamus, also known as ‘river horse’, lives throughout sub-Saharan Africa.
Correct Answer: The hippopotamus, also known as ‘river horse’, lives throughout sub-Saharan Africa.
Solution : The fourth option is the correct choice.
In the given sentences, all the words are correctly spelt except the spelling of hippopotamus, which is a large, mostly herbivorous mammal with a barrel-shaped body, short
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