Staff Selection Commission Combined Graduate Level Exam
Question : Directions: Select the set in which the numbers are related in the same way as the numbers of the given sets. (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.) (38, 29, 67) (43, 36, 79)
Option 1: (51, 39, 70)
Option 2: (59, 28, 77)
Option 3: (47, 35, 82)
Option 4: (34, 47, 83)
Correct Answer: (47, 35, 82)
Solution : Given: (38, 29, 67); (43, 36, 79)
The pattern is as follows – (38, 29, 67)→38 + 29 = 67 (43, 36, 79)→43 + 36 = 79 Now, let's check the options – First option: (51, 39, 70)→51 + 39 = 90 ≠
Question : In which year did Albert Einstein predict a new state of matter, the Bose-Einstein condensate (BEC), based on a quantum formulation by the Indian physicist Satyendra Nath Bose?
Option 1: 1935
Option 2: 1924
Option 3: 1930
Option 4: 1919
Correct Answer: 1924
Solution : The correct option is 1924.
In 1924, Albert Einstein predicted a new state of matter, the Bose-Einstein Condensate based on formulations by the Indian physicist Satyendra Nath Bose. It is also known as the fifth state of matter. It is a state of matter created
Question : Directions: In the following question, select the number that can be placed at the sign of the question mark (?) from the given alternatives.
Option 1: 108
Option 2: 112
Option 3: 118
Option 4: 120
Correct Answer: 120
Solution : Multiply the sum of the vertical and horizontal blocks to get the required missing number of centre blocks.
In the first figure – (3 + 5) × (7 + 4) = 11 × 8 = 88 In the second figure – (5 + 8) ×
Question : The pie chart given below shows the production of 6 different factories. The total production of all these 6 factories is 15000. The production of a particular factory is shown as a percent of total production of all these 6 factories. $J_1$ = The value of average production of factories F3 and F6. $J_2$ = The difference between the production of factory F1 and F4. What is the value of ($J_2 – J_1$)?
Option 1: 385
Option 2: 395
Option 3: 375
Option 4: 305
Correct Answer: 375
Solution : Total production = 15000 Now let's calculate $J_1$ and $J_2$. $J_1$ = The value of average production of factories F3 and F6 $J_1$ = $\frac{\text{F3 } + \text{ F6}}{2}$ F3 = 6% of 15000 ⇒ F3 = 900 F6 = 5% of 15000 ⇒ F6
Question : The residue left after extracting juice from sugarbeet and sugarcane is called
Option 1: molasses
Option 2: bagasse
Option 3: whey
Option 4: biomass
Correct Answer: bagasse
Solution : The correct option is - bagasse
The residue left after extracting juice from sugarbeet and sugarcane is called bagasse. Bagasse is the fibrous material that remains after the juice has been squeezed out, and it is primarily used as a biofuel or in the production
Question : Which of the following organisms is most likely to produce greenhouse gases such as nitrous oxide and methane?
Option 1: Fungi
Option 2: Earthworm
Option 3: Bacteria
Option 4: Greenplants
Correct Answer: Bacteria
Solution : The correct option is Bacteria.
Bacteria are the organisms most likely to emit greenhouse gases such as nitrous oxide and methane. Certain bacteria, notably anaerobic bacteria, have been identified as key contributors to the creation of these gases during diverse biological activities. Methane (CH4) is
Question : ______ - The time graph shows the speed of an object.
Option 1: Velocity
Option 2: Distance
Option 3: Displacement
Option 4: Acceleration
Correct Answer: Distance
Solution : The correct option is the Distance.
A distance-time graph shows the distance travelled by an object over time. A distance-time graph, also known as a position-time graph, is a graphical representation that shows how an object's position or distance changes over a specific period.
Question : 2 men can finish a work in 6 days and 3 women can finish the same work in 4 days. How many days will 1 man and 2 women finish the work if they work together daily?
Option 1: 4
Option 2: 6
Option 3: 8
Option 4: 9
Correct Answer: 4
Solution : Let Male = $m$; Female = $w$ Work = Rate $\times$ Time 2 men can finish the work in 6 days (assuming total work as 1 unit) $\therefore 2m\times 6 = 1$ ⇒ $m = \frac{1}{12}$ And 3 women can finish the same work in
Question : Directions: Select the correct mirror image from the following options, when the mirror is placed on the right side of the given figure.
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. Here, according to the information provided, the mirror is placed on the right side of the figure (on line MN). So, the left side of the reflected image will appear
Question : A number is reduced by 10% and the resulting number is again decreased by 20%. What is the final percentage of decrease?
Option 1: 25%
Option 2: 26%
Option 3: 27%
Option 4: 28%
Correct Answer: 28%
Solution : Let the original number be 100. The number is reduced by 10%, ⇒ 100 – 10% of 100 = 100 – (0.1 × 100) = 100 – 10 = 90 The resulting number is again decreased by 20%, ⇒ 90 – 20% of 90 =
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