Staff Selection Commission Combined Graduate Level Exam
Question : Directions: Select the correct mirror image of the given combination when the mirror is placed at MN as shown below.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection. So, according to the above property and the information provided, the mirror is placed on the right side of the figure (on line MN). So, the left side of the
Question : Three boxes of capacities 24 kg, 36 kg, and 84 kg are filled with three varieties of wheat A, B, and C respectively. All three boxes were emptied, the three types of wheat were thoroughly mixed, and the mixture was put back in the three boxes. How many kilograms of type A wheat would be in the third box (in kg)?
Option 1: 10 kg
Option 2: 12 kg
Option 3: 14 kg
Option 4: 16 kg
Correct Answer: 14 kg
Solution : The mixture of A, B and C, according to the capacities of the boxes they were in, is in a ratio of $24 : 36 : 84 = 2 : 3 : 7$ Part of A in the mixture $=\frac{2}{2 + 3 + 7}=
Question : In a partnership business, B's capital was half of A's. If after 8 months, B withdrew half of his capital and after 2 more months, A withdrew $\frac{1}{4}$th of his capital, then the profit ratio of A to B will be:
Option 1: 5 : 2
Option 2: 10 : 23
Option 3: 2 : 5
Option 4: 23 : 10
Correct Answer: 23 : 10
Solution : Let $x$ be B's capital. Then, A's capital will be $2x$. Profit ratio of A and B = (capital of A × time period of A) : (capital of B × time period of B) = $(2x × 10 + \frac{3}{4} × 2x×2)
Question : The below table represents the monthly income of 100 families in a locality.
The number of families having an income range (in Rs.) of 19000-22000 is:
Option 1: 17
Option 2: 19
Option 3: 22
Option 4: 24
Correct Answer: 17
Solution : Families who have an income of more than Rs. 19,000 = 50 Families who have an income of more than Rs. 22,000 = 33 $\therefore$ The number of families having an income range (in Rs.) 19000-22000 = (50 – 33) = 17 Hence, the correct
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).
Sincerity is always appreciated.
(1) enhanced
(2) enjoyed
(3) waited
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (4)
Solution : The correct answer is the fourth option.
The sentence is already correct and does not need any improvement. It ensures the proper subject-verb agreement.
Therefore, the correct answer would be: No Improvement.
Question : In the absence of the earth's atmosphere, sky would appear:
Option 1: blue
Option 2: deep red
Option 3: white
Option 4: black
Correct Answer: black
Solution : The correct option is black.
Even during the day, the sky would appear absolutely black without the atmosphere that exists on Earth. This is because the blue color of the sky that we see on Earth is mostly caused by sunlight being scattered by the
Question : Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement required'.
Megha's habit of procrastination puts her colleagues on lot of trouble.
Option 1: to a lot of trouble
Option 2: in lot of troubles
Option 3: into lot troubles
Option 4: No improvement required
Correct Answer: to a lot of trouble
Solution : The correct solution is the first option.
Explanation: The original sentence, "Megha's habit of procrastination puts her colleagues "on a lot of trouble" contains a prepositional error. The correct preposition to use is, "in" and not "on" when expressing the
Question : If the amounts received at the end of the 2nd and 3rd year at compound Interest on a certain principal are Rs. 24,200 and Rs. 26,620, respectively, what is the rate of interest per annum?
Option 1: 10%
Option 2: 5%
Option 3: 20%
Option 4: 16%
Correct Answer: 10%
Solution : Given: The amount received at the end of 2nd year at compound Interest on a certain principal = Rs. 24,200 The amount received at the end of 3rd year at compound Interest on a certain principal = Rs. 26,620 Formula used: Amount = $P(1+\frac{R}{100})^{n}$ where
Question : Which is the correct sequence of lakes according to depth (from maximum to minimum)?
Option 1: Caspian Sea > Tanganyika > Vostok > Baikal
Option 2: Baikal > Caspian Sea > Tanganyika > Vostok
Option 3: Baikal > Tanganyika > Caspian Sea > Vostok
Option 4: Caspian Sea > Baikal >Tanganyika > Vostok
Correct Answer: Baikal > Tanganyika > Caspian Sea > Vostok
Solution : The correct option is Baikal > Tanganyika > Caspian Sea > Vostok
Lake Baikal is the deepest freshwater lake in the world, with a maximum depth of approximately 5,387 feet (1,642 meters). It is located in Siberia, Russia.
Question : Ravi initially used to save 20% of his monthly income. Recently, his monthly income was raised by 25%. His nominal savings also went up by 5%. What percentage of his present nominal income does Ravi currently save?
Option 1: 25%
Option 2: 20%
Option 3: 15%
Option 4: 16.8%
Correct Answer: 16.8%
Solution : Ravi initially used to save 20% of his monthly income. Recently, his monthly income was raised by 25%. His nominal savings also went up by 5% Let Ravi's initial monthly income be $x$. Increment% in Ravi's monthly income = 25% His final monthly income =
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