Staff Selection Commission Combined Graduate Level Exam
Question : Select the most appropriate option to improve the underlined segment in the given sentence. If there is no need to improve it, select ‘no improvement required’.
Nobody was interested in the fish who Gopal had catch from the river
Option 1: which Gopal had catch
Option 2: No improvement required
Option 3: who Gopal had caught
Option 4: which Gopal had caught
Correct Answer: which Gopal had caught
Solution : The fourth option is correct.
Question : Directions: By interchanging the given two signs which of the following equations will be not correct? + and –
Option 1: 8 ÷ 4 × 6 + 5 – 9 = 16
Option 2: 15 + 3 × 4 – 6 ÷ 2 = 6
Option 3: 3 × 2 – 72 ÷ 6 + 8 = 18
Option 4: 3 + 4 – 2 × 5 ÷ 1 = 9
Correct Answer: 3 × 2 – 72 ÷ 6 + 8 = 18
Solution : Let's check the options – First option: 8 ÷ 4 × 6 + 5 – 9 = 16 On interchanging the given signs, the equation becomes – ⇒ 8 ÷ 4 × 6 – 5
Question : Directions: The following graph shows the production (in thousands) of two types (P and Q) of vehicles by a factory over the years 2009 to 2014. Study the graph and answer the given question. The approximate percentage decrease in the production of type Q vehicles from 2010 to 2011 is:
Option 1: 10.1
Option 2: 16.7
Option 3: 14.3
Option 4: 12.5
Correct Answer: 16.7
Solution : Production of type Q vehicles in 2010 = 150 Production of type Q vehicles in 2011 = 125 Approximate percentage decrease in production of type Q vehicles from 2010 to 2011 = $\frac{150-125}{150}×100$ = 16.67% Hence, the correct answer is 16.7.
Question : Directions: Select the figure that will come next in the following figure series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : In the given figure, the triangle in each box is rotated 90º anti-clockwise. Thus, the missing part of the figure is –
Hence, the second option is correct.
Question : Convex mirror is generally used in _____.
Option 1: solar cookers
Option 2: opthamoscope
Option 3: reflector for head light
Option 4: rear view mirror
Correct Answer: rear view mirror
Solution : The correct option is rear view mirror.
Convex lenses are bent outward, which enables them to diverge light beams, which reduces the apparent size of things while enlarging the field of view. In a rearview mirror, this is especially helpful because it
Question : Direction: In the given question, select the related letter from the given alternatives.
VOHA : WPIB :: CJQX : ?
Option 1: DKRY
Option 2: YRKD
Option 3: RKDY
Option 4: YDKR
Correct Answer: DKRY
Solution : Given:
Here, the pattern is as follows →
Similarly, from the first option →
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error."
In that wholesale shop (1) / they do not sell (2) / fewer than ten bags of rice. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (4)
Solution : The correct choice is the fourth option.
There is no error in the sentence as "fewer" is used for countable nouns. Though rice is an uncountable noun, "fewer" should be used in this case as bags of rice are countable.
Therefore, the sentence is "In
Question : Which of the Five-Year Plans was prepared and launched by D. P. Dhar?
Option 1: Sixth Five-Year Plan
Option 2: Seventh Five-Year Plan
Option 3: Fourth Five-Year Plan
Option 4: Fifth Five-Year Plan
Correct Answer: Fifth Five-Year Plan
Solution : The correct option is the Fifth Five-Year Plan.
D. P. Dhar designed and released India's Fifth Five-Year Plan. The Fifth Five-Year Plan ran from 1974 to 1979. The plan's primary goals were to reduce poverty and unemployment. It was launched against the backdrop
Question : The average of 8 numbers is 18. If one of the numbers is excluded, the average becomes 20. Find the excluded number.
Option 1: 6
Option 2: 10
Option 3: 8
Option 4: 4
Correct Answer: 4
Solution : An average of 8 numbers = 18 So, the sum of the 8 numbers = 8 × 18 = 144 If one number is excluded, then the sum of the 7 numbers = 7 × 20 = 140 Excluded number = 144 – 140 =
Question : An aeroplane flying horizontally at a height of 3 km above the ground is observed at a certain point on earth to subtend an angle of $60^\circ$. After 15 seconds of flight, its angle of elevation is changed to $30^\circ$. The speed of the aeroplane (Take $\sqrt{3}=1.732$) is:
Option 1: 230.63 m/s
Option 2: 230.93 m/s
Option 3: 235.85 m/s
Option 4: 236.25 m/s
Correct Answer: 230.93 m/s
Solution : AB = CD = 3 km = 3000 m In $\triangle$AOB, $\tan60^{\circ}=\frac{AB}{OB}$ ⇒ $OB=\frac{3000}{\sqrt3}=1000\sqrt3$ m In $\triangle$COD, $\tan30^{\circ}=\frac{CD}{OC}$ ⇒ $OC=3000\sqrt3$ m So, BC = AD = ($3000\sqrt3–1000\sqrt3)=2000\sqrt3$ m Therefore, the speed of the aeroplane = $\frac{2000\sqrt3}{15}$ m/s = 230.93 m/s Hence, the correct answer
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