Staff Selection Commission Combined Higher Secondary Level Exam
Question : Which of the following statements is correct regarding the production possibility frontier?
I. It gives the combinations between two goods that can be produced when the resources of the economy are fully utilised.
II. It illustrates the production possibilities of the economy.
Option 1: Only I
Option 2: Only II
Option 3: Both I and II
Option 4: Neither I nor II
Correct Answer: Both I and II
Solution : The correct answer is Both I and II.
A graph known as the production possibilities curve (PPC) illustrates every possible output combination that is currently possible with available resources and technological advancements. The PPC, also known as the production possibilities frontier (PPF),
Question : Directions: In the following question, find the odd letter from the given alternatives.
Option 1: FBJL
Option 2: DKRW
Option 3: CNPT
Option 4: KNXY
Correct Answer: FBJL
Solution : Let's check the options –
First option: FBJL; The letters F, B, J, and L are not arranged in alphabetical order. Second option: DKRW; The letters D, K, R, and W are arranged in alphabetical order. Third option: CNPT; The letters C, N, P, and
Question : Directions: Select the correct mirror image of the given figure when the mirror is placed at MN as shown.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear close to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the bottom side of the figure (on line MN). So, the top side of the reflected image will appear
Question : A sum of Rs. 210 was taken as a loan. This is to be paid back in two equal installments. If the rate of interest is 10% compounded annually, then the value of each installment is:
Option 1: Rs. 127
Option 2: Rs. 121
Option 3: Rs. 210
Option 4: Rs. 225
Correct Answer: Rs. 121
Solution : Let $x$ be the equal instalment at the end of one year. In the first year, Sum, $P$ = Rs. 210 Interest = $\frac{PnR}{100}$ Interest at the end of one year at a 10% rate of interest = 210 × 0.1 = 21 At
Question : If the fixed cost of the factory producing candles is Rs. 20,000 the selling price is Rs. 30 per dozen candles and the variable cost is Rs. 1.5 per candle, what is the break-even quantity?
Option 1: 20000
Option 2: 10000
Option 3: 15000
Option 4: 12000
Correct Answer: 20000
Solution : The correct option is: 20000
Break-even quantity = Fixed Costs / (Selling Price per Unit - Variable Cost per Unit)
In this case:
Fixed Costs = Rs. 20,000
Selling Price per unit = Rs. 30 per dozen candles = Rs. 30 / 12 =
Question : Directions: In the following question, out of the four alternatives, select the one that will improve the bracketed part of the sentence. In case no improvement is needed, select "No improvement".
They were angry because they realised that they (have had been cheated) on.
(1) had been cheated
(2) were cheated
(3) are cheated
(4) No improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
Solution : The first option is the correct choice.
"Have had been cheated" should be replaced with "had been cheated" as per the passive structure.
There is an error in the use of the verb tense in the sentence. The other options ''were cheated'' and ''are cheated''
Question : Directions: Select the triad in which the numbers are related in the same way as the numbers of the following triads. (NOTE: Operations should be performed on the whole numbers without breaking down the numbers into their constituent digits. E.g. 13 - operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) 5 – 70 – 9 8 – 95 – 11
Option 1: 12 – 144 – 15
Option 2: 17 – 135 – 21
Option 3: 6 – 135 – 21
Option 4: 4 – 28 – 79
Correct Answer: 6 – 135 – 21
Solution : Given: 5 – 70 – 9; 8 – 95 – 11
In the above-given triads, add the first and the third numbers, and multiply the resultant by 5 to obtain the second number. 5 – 70 – 9→(5 + 9) ×
Question : Directions: Which of the following cubes in the answer figure cannot be made based on the unfolded cube in the question figure?
Solution : In the 3D view of dice, 1. Each face out of the three faces in the 3D view should be from all the pairs. 2. Two opposite faces cannot appear adjacently in the 3D view of a folded cube figure. So, the opposite pairs of faces
Question : Directions: Arrange the given words in the sequence in which they occur in the dictionary. 1. Account 2. According 3. Accuracy 4. Accumulate 5. Accompany
Option 1: 4, 1, 2, 5, 3
Option 2: 4, 1, 2, 3, 5
Option 3: 5, 2, 1, 4, 3
Option 4: 5, 2, 1, 3, 4
Correct Answer: 5, 2, 1, 4, 3
Solution : Given: 1. Account 2. According 3. Accuracy 4. Accumulate 5. Accompany
Step 1: The first 3 letters of each word are the same, A, c, c. Step 2: The fourth letters are o, o, u, u, and o. Based on the
Question : According to the Census of India 2011, what is the literacy rate among the male population in India?
Option 1: 74.04%
Option 2: 90.01%
Option 3: 65.46%
Option 4: 82.14%
Correct Answer: 82.14%
Solution : The correct answer is 82.14%.
The nation's literacy rate has increased, according to the 2011 census results. The nation's literacy rate is 74.04%, with 82.14 per cent of men, and 65.46 per cent of women literate. At 47%, Bihar has the lowest literacy rate.
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