Staff Selection Commission Combined Graduate Level Exam
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".
No one wants to drive to work anymore (1) / because of traffic jams (2) / at rush hour. (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. All parts of the sentence are grammatically and structurally correct and make sense contextually.
Question : Directions: Which of the answer figures is the exact mirror image of the given problem figure when the mirror is held on the right side?
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. According to the information provided, the mirror is placed on the right side of the figure. So, the left side of the reflected image will appear as the right side,
Question : Select the correct indirect form of the given sentence. The Principal says, “Hard work is the key to success.”
Option 1: The Principal says that hard work was the key to success.
Option 2: The Principal said that hard work was the key to success.
Option 3: The Principal says that hard work is the key to success.
Option 4: The Principal say that hard work is the key to success.
Correct Answer: The Principal says that hard work is the key to success.
Solution : The correct choice is the third option.
The indirect form of a sentence involves reporting what someone else has said without quoting their exact words.
The steps of conversion are as follows:
Question : Directions: Which of the following terms will replace the question mark (?) in the given series? BCE, GHJ, LMO, QRT, ?
Option 1: VWY
Option 2: VWX
Option 3: WXZ
Option 4: UVX
Correct Answer: VWY
Solution : Given: BCE, GHJ, LMO, QRT, ?
In the above-given series, add 5 to the place value of each letter of the previous term to get the next term. BCE→B + 5 = G; C + 5 = H; E + 5 = J GHJ→G +
Question : In rainforests, which kind of cultivation is practised?
Option 1: Dry farming
Option 2: Vertical farming
Option 3: Terrace farming
Option 4: Slash-and-burn
Correct Answer: Slash-and-burn
Solution : The correct option is Slash-and-burn.
In rainforests, slash-and-burn agriculture is a common traditional farming method. It means chopping and burning the vegetation to make way for crops.
Question : A shopkeeper bought a cycle for INR 1,200 and sold it for INR 1,500. Find his profit/loss percentage.
Option 1: 3% profit
Option 2: 15% profit
Option 3: 30% loss
Option 4: 25% profit
Correct Answer: 25% profit
Solution : The cost price (CP) of the cycle = INR 1,200 The selling price (SP) of the cycle = INR 1,500 Profit percentage = $\frac{1500-1200}{1200}×100$ = 25% Hence, the correct answer is 25% profit.
Question : The list price of a TV is Rs. 2300 and discount series are found to be 25% and 10%. Then the selling price of the TV is:
Option 1: Rs. 1255.50
Option 2: Rs. 1250
Option 3: Rs. 1552.50
Option 4: Rs. 1300
Correct Answer: Rs. 1552.50
Solution : Marked price = Rs. 2,300 Successive discounts are 10% and 25%. Selling price = 90% of 75% of 2300 = $\frac{90}{100}$ × $\frac{75}{100}$ × 2300 = $\frac{9 × 3 × 2300}{10 × 4}$ = Rs. 1,552.50 Hence, the correct answer is Rs. 1,552.50.
Question : If 4(z + 7)(2z – 1)=Az2 + Bz + C, then the value of A + B + C is:
Option 1: 28
Option 2: 32
Option 3: 74
Option 4: 81
Correct Answer: 32
Solution : Given: 4(z + 7)(2z – 1) = (4z + 28)(2z – 1) = 8z2 + 56z – 4z – 28 = 8z2 + 52z – 28 So, Az2 + Bz + C = 8z2 + 52z – 28 Comparing the values
Question : Directions: The bar chart given below shows the percentage distribution of the production of various models of mobile manufacturing in 2007 and 2008. The total production in 2007 was 35 lakh mobile phones, and in 2008, the production was 44 lakh. Study the chart and answer the following questions:
For which models was the percentage variation in production from 2007 to 2008 the maximum?
Option 1: B and C
Option 2: C and D
Option 3: D and E
Option 4: A and B
Correct Answer: A and B
Solution : As per the given graph, Percentage variation for Model A = $\frac{40-30}{30}×100 = 33\frac{1}{3}\%$ Percentage variation for Model B = $\frac{20-15}{15}×100 = 33\frac{1}{3}\%$ Percentage variation for Model C = $\frac{20-15}{20}×100 = 25\%$ Percentage variation for Model D = $\frac{10-10}{10}×100 = 0\%$ Percentage variation
Question : 15 men and 21 women working together can do a job in 56 days, while 12 men and 24 women working together can do the same job in 64 days. In how many days can the same job be done by 18 men and 24 women working together?
Option 1: $47\frac{6}{19}$
Option 2: $47\frac{5}{19}$
Option 3: $47\frac{9}{19}$
Option 4: $47\frac{3}{19}$
Correct Answer: $47\frac{3}{19}$
Solution : Given: 15 men and 21 women can do a piece of work in 56 days. 12 men and 24 women can do it in 64 days. Let the efficiency of 1 man is $x$ and 1 woman's efficiency is $y$. So, $(15x+21y)×56=(12x+24y)×64$ ⇒ $840x+1176y=768x+1536y$ ⇒
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