Staff Selection Commission Multi Tasking Staff Exam
Question : On a certain sum of money, the simple interest for 2 years is INR 150 at the rate of 10% per annum. What is the difference between compound interest and simple interest for 2 years if, in the case of compound interest, interest is compounded annually at the rate of 10% per annum?
Option 1: INR 5
Option 2: INR 10
Option 3: INR 7.5
Option 4: INR 12.5
Correct Answer: INR 7.5
Solution : Let the principal amount be P. Given, Simple interest for 2 years = INR 150 Simple interest for 1 year = INR 75 Rate of interest = 10% per annum. The difference between compound interest and simple interest for two years at the same
Question : Comprehension: In the following passage, some of the words have been deleted. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
Snail slime is made (1)_______a mixture of substances. It is mostly water (2)______with proteins and some carbohydrates and minerals, (3)________into a sort of jelly. This jelly is (4)_________"mucus". It's not that different from the snot that comes out of your nose when you have a (5)_________. Question: Select the most appropriate option to fill in the blank number 2.
Option 1: sliced
Option 2: diced
Option 3: mixed
Option 4: rotated
Correct Answer: mixed
Solution : The third option is correct.
The word mixed is used to convey the idea that water is combined or blended with proteins, carbohydrates, and minerals to form snail slime.
The other options (for, of, and upon) do not appropriately capture the concept of
Question : Directions: In the question, a sentence is given with a blank to be filled in with an appropriate word(s). Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
________ knocking at the gate, he demanded admission.
Option 1: cruelly
Option 2: kindly
Option 3: speedily
Option 4: loudly
Correct Answer: loudly
Solution : The correct choice is the fourth option.
Loudly means to create much noise, which is the intended meaning of the sentence, that he knocked with great power to create a lot of noise while demanding admission.
The meanings of the other options are as follows:
Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it. First row – 80, 40, 160 Second row – 30, 15, 60 Third row – 24, 12, ?
Option 1: 65
Option 2: 48
Option 3: 38
Option 4: 54
Correct Answer: 48
Solution : The pattern is as follows – First row – 80, 40, 160→80 + (40 × 2) = 80 + 80 = 160 Second row – 30, 15, 60→30 + (15 × 2) = 30 + 30 = 60 Third row – 24, 12, ?→24 +
Question : Directions: In this question, a part of the sentence is in bold. Below are given alternatives to the bold part at 1, 2, and 3 which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is 4.
The deaf man asked me to speak up.
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 4
Solution : The correct answer is the fourth option, "No improvement".
The sentence is grammatically correct and does not need any improvement.
Speak up means to speak in a louder voice so that people can hear you and is the appropriate choice to be used in
Question : Directions: Six persons are sitting in two straight rows, facing north. Their names are Farhan, Utkarsh, Yugal, Krishna, Chaman, and Manish. Farhan and Manish are sitting at diagonally opposite ends. Utkarsh is in the top row and to the immediate right of Farhan. Krishna is second to the left of Manish while Yugal and Krishna are not in the same row. Who is sitting at the diagonally opposite end of Yugal?
Option 1: Manish
Option 2: Krishna
Option 3: Utkarsh
Option 4: Chaman
Correct Answer: Krishna
Solution : Given: (I) Six persons are sitting in two straight rows, facing north. Their names are Farhan, Utkarsh, Yugal, Krishna, Chaman and Manish.
(II) Farhan and Manish are sitting at diagonally opposite ends. Utkarsh is in the top row and to the immediate right of Farhan.
Question : A sum of Rs. 3000 becomes Rs, 4320 in 2 years at a certain rate of compound interest (compounding annually). How much this sum will become after 4 years?
Option 1: Rs. 7568.50
Option 2: Rs. 6220.80
Option 3: Rs. 6516.80
Option 4: Rs. 5128.50
Correct Answer: Rs. 6220.80
Solution : Using the formula, $A$ = $P(1+\frac{r}{100})^{t}$ Given that $P$ = Rs. 3000, $A$ = Rs. 4320, and $t$ = 2 years. ⇒ 4320 = 3000$(1 + \frac{r}{100})^{2}$ ⇒ $(1 + \frac{r}{100})^{2}$ = $(\frac{4320}{3000})$ ⇒ $(1 + \frac{r}{100})$ = $(\frac{4320}{3000})^{\frac{1}{2}}$ After 4 years, $t$ =
Question : Select the word segment that substitutes (replaces) the bracketed word segment correctly and completes the sentence meaningfully. Select the option 'No correction required' if the sentence is correct as given.
He looked around for Bunty or Vinay, (but either off) them was anywhere near him.
Option 1: No correction required
Option 2: moreover neither of
Option 3: because either of
Option 4: but neither of
Correct Answer: but neither of
Explanation: But neither of is the appropriate phrase to convey that neither of the mentioned individuals (Bunty or Vinay) was close to the speaker. "Neither of" is followed by the singular verb.
Therefore, the correct
Question : A person covers the first 15 km in 60 minutes and the next 24 km in 30 minutes. What is his average speed for the whole journey?
Option 1: 33 km/hr
Option 2: 26 km/hr
Option 3: 29 km/hr
Option 4: 23 km/hr
Correct Answer: 26 km/hr
Solution : Total distance = 15 + 24 = 39 km Total time = 60 + 30 = 90 min = 1.5 hr Average speed $=\frac{\text{total distance}}{\text{total time}}=\frac{39}{1.5}= 26$ km/hr Hence, the correct answer is 26 km/hr.
Question : Identify the segment that contains a grammatical error. If there is no error, select 'No error'. Much of the art he / discusses is funny, playing / and mischievous.
Option 1: and mischievous.
Option 2: No error
Option 3: discusses is funny, playing
Option 4: Much of the art he
Correct Answer: discusses is funny, playing
Solution : The correct choice is the third option.
Explanation: The segment that contains a grammatical error is "discusses is funny, playing". The error lies in the word "playing". It should be replaced with "playful" to maintain the proper parallel structure with
The Question containing Inaapropriate or Abusive Words
Question lacks the basic details making it difficult to answer
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The Question is not relevant to User
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