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Staff Selection Commission Multi Tasking Staff Exam

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Question : A can do a piece of work alone in 15 days, while B complete the same piece of work alone in 12 days. If they work on it together for 5 days, then the fraction of the work that will be left is:

Option 1: $\frac{3}{4}$

Option 2: $\frac{5}{8}$

Option 3: $\frac{1}{4}$

Option 4: $\frac{5}{7}$

Team Careers360 20th Jan, 2024

Correct Answer: $\frac{1}{4}$


Solution : Given,
A can do a piece of work = 15 days
B can do a piece of work = 12 days
A and B both work together = 5 days
Left work = total work – completed work
Let, Total Work = LCM of 15,

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Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
47, 49, 53, 55, 59, 61, 65, ?

Option 1: 56

Option 2: 76

Option 3: 67

Option 4: 69

Team Careers360 20th Jan, 2024

Correct Answer: 67


Solution : Given: 
47, 49, 53, 55, 59, 61, 65, ?

In the above-given series, add 2 and 4 alternatively to the previous number to get the next number.
47 + 2 = 49, 49 + 4 = 53, 53 + 2 = 55, 55 + 4

14 Views

Question : The disease-causing microbes are called _____.

Option 1: toxins

Option 2: pathogens

Option 3: decomposers

Option 4: antibodies

Team Careers360 21st Jan, 2024

Correct Answer: pathogens


Solution : The correct option is pathogens.

The disease-causing microbes are called "pathogens". These include bacteria, viruses, fungi and parasites that invade the host organism, leading to illness. Understanding and combating pathogens are crucial in the fields of medicine and public health to prevent and treat infectious

26 Views

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.

Christian turned round and (strided off into) the blackness, and I got into my car.

Option 1: strode off

Option 2: strode of

Option 3: strided of

Option 4: No correction required

Team Careers360 25th Jan, 2024

Correct Answer: strode off


Solution : The correct choice is the first option.

Explanation: The verb "stride" is irregular, and its past tense form is "strode". In the original sentence, the incorrect form "strided" is used. The correct past tense form to describe someone walking with long steps is

100 Views

Question : In a 64 L mixture, the alcohol and water are in the ratio of 1 : 3 respectively. 32 L of the mixture is taken off and replaced with 16 L of water. What is the new ratio of alcohol and water respectively?

Option 1: 1 : 5

Option 2: 5 : 12

Option 3: 2 : 7

Option 4: 3 : 10

Team Careers360 24th Jan, 2024

Correct Answer: 1 : 5


Solution : The ratio of alcohol and water = 1 : 3
Let $k$ and $3k$ be the quantity of alcohol and water.
⇒ $k+3k = 64$
⇒ $4k = 64$
⇒ $k = 16$
Quantity of alcohol and water = 16 L and 48

12 Views

Question : Directions: In the following question, a series is given with one number missing. Choose the correct alternative from the ones given that will complete the series.
76, 73, 71, 67, 64, 62, ?

Option 1: 60

Option 2: 57

Option 3: 58

Option 4: 59

Team Careers360 25th Jan, 2024

Correct Answer: 58


Solution : Given:
76, 73, 71, 67, 64, 62,?

Subtract 3, 2, and 4 alternately from the given terms to obtain the missing term.
76 – 3 = 73; 73 – 2 = 71; 71 – 4 = 67; 67 – 3 = 64; 64 – 2

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Question : The product method used to calculate the annual value of goods and services produced is also called___________.

Option 1: value added method

Option 2: income method

Option 3: expenditure method

Option 4: depreciation method

Team Careers360 21st Jan, 2024

Correct Answer: value added method


Solution : The correct answer is the value-added method.

The value-added or output methods are other names for the product method. GDP is computed using the product approach, which adds up the gross value added across all industries (resident sectors) at different production phases.

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