Staff Selection Commission Combined Graduate Level Exam
Question : The waste water management technique that involves the use of micro - organisms to remove or neutralize pollutants from contaminated site is called:
Option 1: Bio sensor
Option 2: Bio magnification
Option 3: Bio remediation
Option 4: Bio concentration
Correct Answer: Bio remediation
Solution : The correct option is Bioremediation.
The approach of waste water management that involves the employment of microorganisms to remove or neutralise contaminants from polluted places is known as "bioremediation". Bioremediation uses microorganisms' inherent metabolic activities to break down or change contaminants into less dangerous
Question : Parts of the following sentence have been given as options. Select the option that contains an error. My younger brother were attending a short-term computer course these days.
Option 1: were attending
Option 2: My younger brother
Option 3: a short-term computer course
Option 4: these days
Correct Answer: were attending
Solution : The correct choice is the first option.
The subject my younger brother is singular and the verb should agree with the subject. The part mentioned in the sentence "were attending" is plural and should be replaced with "is attending" as it refers to an
Question : Select the option that expresses the given sentence in passive voice.
She is going to serve tea in silver cups today.
Option 1: Tea will be served in silver cups today.
Option 2: Tea will have been served in silver cups today.
Option 3: Tea is going to be served in silver cups today.
Option 4: Tea should be served in silver cups today
Correct Answer: Tea is going to be served in silver cups today.
Solution : The third option is the correct choice.
Passive voice is the voice in which the object experiences an action rather than the person who performs the action. Hence, the object in the active voice becomes the
Question : A builder purchases 25 windows at 25% off the total price of Rs. 1,20,000. If the builder receives an additional discount of Rs. 7,500 for the purchase, then the cost of each window is:
Option 1: Rs. 3,300
Option 2: Rs. 3,100
Option 3: Rs. 3,400
Option 4: Rs. 3,200
Correct Answer: Rs. 3,300
Solution : CP of 25 windows = $120000 \times \frac{75}{100}$ = Rs. 90,000 After additional discount, CP for builder = Rs. (90000 – 7500) = Rs. 82,500 Cost of each window = $\frac{82500}{25}$ = Rs. 3,300 Hence, the correct answer is Rs. 3,300.
Question : How many kilograms of rice costing Rs. 60 per kg must be mixed with 24 kg of rice costing Rs. 42 per kg so that there may be a gain of 12% by selling the mixture at Rs. 56 per kg?
Option 1: 22 kg
Option 2: 20 kg
Option 3: 19.2 kg
Option 4: 21.2 kg
Correct Answer: 19.2 kg
Solution : Profit = 12% of cost price Selling price = INR 56 Selling price = profit + cost price ⇒ 56 = 112% of cost price ⇒ Cost price of new mixture = $\frac{56}{1.12}$ = INR 50 Ratio = (50–42) : (60–50) = 8 :
Question : Directions: If S = 19, SUN = 54 and CAKE = 20, then MISTAKE = ?
Option 1: 78
Option 2: 68
Option 3: 59
Option 4: 48
Correct Answer: 78
Solution : Given: S = 19, SUN = 54 and CAKE = 20
Add the place value of the letters of SUN, and CAKE to obtain their required code – Like, the place value of the letter S; S→19 Thus, S is coded as 19. Place values
Question : If a3 + b3 = 152 and a + b = 8, then what is the value of ab?
Option 1: 2
Option 2: 11
Option 3: –10
Option 4: 15
Correct Answer: 15
Solution : a3 + b3 = 152 a + b = 8 Since (a + b)3 = a3 + b3 + 3ab(a + b), ⇒ 83 = 152 + 3ab × 8 ⇒ 24ab = 512 – 152 = 360 $\therefore$
Question : Directions: In the following question, below are given some statements followed by some conclusions based on those statements. Taking the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows the given statements. Statements: Some Z is F. All G is Z. Conclusions: I. No F is G. II. Some G is not F. III. No F is Z.
Option 1: Only conclusion II follows
Option 2: Both conclusions II and III follow
Option 3: Both conclusions I and II follow
Option 4: None of the conclusions follow
Correct Answer: None of the conclusions follow
Solution : The possible Venn diagram, according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): No F is G – From the Venn diagram, it is evident that there is no direct relation between F and
Question : Human Environment Conference - 1972 was held at:
Option 1: Stockholm
Option 2: Paris
Option 3: Geneva
Option 4: Australia
Correct Answer: Stockholm
Solution : The correct answer is Stockholm.
Stockholm Convention is also known as The United Nations Conference on the Human Environment. It was the first landmark conference in the field of environment protection and it took place from 5 to 16 June in 1972. It was the
Question : Select the option that will improve the underlined part of the sentence. In case no improvement is needed, select ‘No Improvement’. I will have travelled all over Europe last year.
Option 1: travelled
Option 2: No Improvement
Option 3: were travelling
Option 4: have travelled
Correct Answer: travelled
Solution : The first option is correct.
The Question containing Inaapropriate or Abusive Words
Question lacks the basic details making it difficult to answer
Topic Tagged to the Question are not relevant to Question
Question drives traffic to external sites for promotional or commercial purposes
The Question is not relevant to User
And never miss an important update
