Staff Selection Commission Combined Graduate Level Exam
Question : A father gives 8% of his monthly income to both his sons as pocket money. The elder son gets 85% of the total amount given to both sons. He spends 90% of the amount and saves INR 17. What is the monthly income of the father?
Option 1: INR 5,000
Option 2: INR 4,500
Option 3: INR 3,500
Option 4: INR 2,500
Correct Answer: INR 2,500
Solution : Let the father’s monthly income be $x$. Money saved by elder son = INR 17 Money given to the sons = 8% of $x$ = 0.08$x$ Money given to elder brother = 85% of 0.08$x$ = 0.068$x$ Percentage of money spent by him =
Question : Select the correct statement from the given options.
Option 1: There is very little temperature difference between day and night in the coastal areas of Kerala
Option 2: There is very little temperature difference between day and night in Rajasthan
Option 3: There is extreme cold in southern India during the winter season.
Option 4: There is plenty of rain observed in central India throughout the year.
Correct Answer: There is very little temperature difference between day and night in the coastal areas of Kerala
Solution : The correct answer is There is very little temperature difference between day and night in the coastal areas of Kerala.
Kerala's coastal areas typically have a relatively stable and moderate
Question : Two electrons in an orbital are differentiated by which of the following?
Option 1: Magnetic quantum number
Option 2: Spin quantum number
Option 3: Principal quantum number
Option 4: Azimuthal quantum number
Correct Answer: Spin quantum number
Solution : The correct option is the spin quantum number.
No two electrons in an atom can have the same set of quantum numbers, according to the Pauli Exclusion Principle, which includes the primary quantum number (n), the angular momentum quantum number (l),
Question : Refer to the following data table and answer the question.
What is the value of the total stock (in lakh rupees)?
Option 1: 81.97
Option 2: 819.7
Option 3: 161
Option 4: 280
Correct Answer: 81.97
Solution : From the given table, The total stock = Quantity of stocks × Average cost = (44 × 12000) + (75 × 14000) + (55 × 56000) + (29 × 53000) + (77 × 26000) = 81,97,000 = 81.97 lakhs Hence, the correct answer is 81.97.
Question : In the following sentence, four words are underlined, out of which one word is incorrectly spelt. Identify the INCORRECTLY spelt word.
A lot of spontanity is required from the speaker in an extempore speech. The speaker is expected to brainstorm ideas and give a speech instantaneously.
Option 1: instantaneously
Option 2: extempore
Option 3: brainstorm
Option 4: spontanity
Correct Answer: spontanity
Solution : The correct choice is the fourth option.
The correct spelling is spontaneity. It refers to the quality of being spontaneous or acting on the spur of the moment.
The meanings of the other options are as follows:
Instantaneously: This word is correctly spelled. It
Question : $\frac{\cos 20^{\circ}}{\sin 70^{\circ}}+\frac{\cos \theta}{\sin \left(90^{\circ}-\theta\right)}=$_________,
Option 1: $-2$
Option 2: $\frac{1}{2}$
Option 3: $-\frac{1}{2}$
Option 4: $2$
Correct Answer: $2$
Solution : We know that $\text{sin}(90^{\circ} - \theta)= \cos \theta$ $\frac{\cos 20^{\circ}}{\sin 70^{\circ}}+\frac{\cos \theta}{\sin \left(90^{\circ}-\theta\right)}$ = $\frac{\cos 20^{\circ}}{\sin (90^{\circ}-20^{\circ})}+\frac{\cos \theta}{\cos \theta}$ = $\frac{\cos 20^{\circ}}{\cos (20^{\circ})}+\frac{\cos \theta}{\cos \theta}$ = 1 + 1 = 2 Hence, the correct answer is $2$.
Question : Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph. A. Poor posture may strain neck muscles, whether you're leaning over your computer or hunching over your workstation. B. However, neck pain may occasionally be an indication of a more serious issue. C. Neck pain is a frequent problem among many people these days. D. If your neck pain is accompanied by numbness or lack of strength in your arms or hands, or if you experience shooting pain into your shoulder or down your arm, you should seek medical attention.
Option 1: CADB
Option 2: CABD
Option 3: BDCA
Option 4: ABDC
Correct Answer: CABD
Solution : The correct option is the second option.
Explanation:
Question : According to Modern Theory of Rent, rent accrues to
Option 1: capital only
Option 2: any factor
Option 3: labour only
Option 4: land only
Correct Answer: any factor
Solution : The correct option is any factor,
The Modern Theory of Rent states that rent accrues to the owner of a factor of production when supply is fixed or constrained in comparison to demand. According to this view, rent is a surplus generated because of
Question : The 'Pattanulkars' migrated from the Gujarat region to the Vijayanagara state. They were____.
Option 1: goldsmiths
Option 2: cotton traders
Option 3: silk weavers
Option 4: diamond makers
Correct Answer: silk weavers
Solution : The correct answer is silk weavers.
Silk weavers, the Pattanulkars, went from Gujarat to Vijayanagara. The Pattanulkars were a group of expert silk weavers from the Gujarat town of Patan. The Vijayanagara monarchs summoned them to Vijayanagara in the 15th century to assist in
Question : A, B, and C made certain investments and the ratio of their time periods is 3 : 2 : 7 respectively. The ratio of the profits of A, B, and C is 4 : 3 : 14 respectively. What is the ratio of the investments of A, B, and C?
Option 1: 1 : 3 : 4
Option 2: 7 : 9 : 11
Option 3: 8 : 9 : 12
Option 4: 2 : 3 : 11
Correct Answer: 8 : 9 : 12
Solution : We know that, profit = investment × time So, investment = $\frac{\text{Profit}}{\text{Time}}$ Now, the ratio of their profit = 4 : 3 : 14 and the ratio of their time periods = 3 : 2 : 7 Therefore, the ratio of
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