Staff Selection Commission Multi Tasking Staff Exam
Question : Shreya hikes up a hill at 5 mph and comes down at 7 mph. If the total time taken for the two-way journey is 3 hours, what is the distance between the hilltop and the foothill?
Option 1: 8.75 miles
Option 2: 8 miles
Option 3: 9 miles
Option 4: 6.75 miles
Correct Answer: 8.75 miles
Solution : Uphill speed = 5 mph Downhill speed = 7 mph Total time taken = 3 hr Let $d$ be the distance, $t$ be the time taken to go uphill and $3-t$ be the time taken to go downhill. ⇒ $d = 5t$ ⇒ $t
Question : The value of $[50-6(6+1)] \div 8+18$ is:
Option 1: 18
Option 2: 17
Option 3: 19
Option 4: 20
Correct Answer: 19
Solution : Given: $[50-6(6+1)] \div 8+18$ = $[50 − 6(7)] ÷ 8 + 18$ = $[50 − 42] ÷ 8 + 18$ = $8 ÷ 8 + 18$ = $1 + 18$ = $19$ Hence, the correct answer is 19.
Question : The Tropic of Cancer does not pass through.
Option 1: Myanmar
Option 2: Nepal
Option 3: Bangladesh
Option 4: China
Correct Answer: Nepal
Solution : The correct option is Nepal.
The Tropic of Cancer is located approximately 23.5 degrees north of the equator. It passes through several countries, including Algeria, Niger, Libya, Egypt, Saudi Arabia, the United Arab Emirates, Oman, China, Taiwan, Mexico, the Bahamas, Mauritania, and Mali.
Question : Find the average of 1.11, 0.01, 0.101, 0.001 and 0.11.
Option 1: 0.2664
Option 2: 0.2554
Option 3: 0.1264
Option 4: 0.1164
Correct Answer: 0.2664
Solution : Average of given numbers = $\frac{\text{Sum of given numbers}}{\text{Total numbers of terms}}$ = $\frac{1.11+ 0.01+ 0.101+ 0.001 + 0.11}{5}$ = $\frac{1.332}{5}$ = 0.2664 Hence, the correct answer is 0.2664.
Question : Rs. 4,500 is divided among four friends in the ratio of $\frac{1}{6}: \frac{1}{4}: \frac{1}{3}: \frac{1}{2}$, What is the amount received by the person who got the smallest share?
Option 1: Rs. 1,100
Option 2: Rs. 600
Option 3: Rs. 500
Option 4: Rs. 800
Correct Answer: Rs. 600
Solution : The ratio of $\frac{1}{6}: \frac{1}{4}: \frac{1}{3}: \frac{1}{2}$ can be simplified. The simplified ratio is 2 : 3 : 4 : 6. The sum of the ratio = 2 + 3 + 4 + 6 = 15 The amount received by the person who got
Question : "The Federal System with Strong Centre" has been borrowed from the Indian Constitution from which of the following countries?
Option 1: United States of America
Option 2: Canada
Option 3: United Kingdom
Option 4: France
Correct Answer: Canada
Solution : The correct answer is Canada.
India adopted the concept of a federal system with a strong centre from Canada. This system is a combination of a central government and regional governments. The power is shared between the two.
Question : If the mean of five numbers 1, 2, 3, 5, and $x$ is 2.4, then find the value of $x$.
Option 1: 2
Option 2: 4
Option 3: 1
Option 4: 3
Correct Answer: 1
Solution : Given: The mean of five numbers 1, 2, 3, 5, and $x$ is 2.4. Use the formula, $\text{Mean}=\frac{\text{Sum of all the terms}}{\text{The total terms}}$ According to the question, ⇒ $2.4=\frac{1+2+3+5+x}{5}$ ⇒ $2.4\times 5=11+x$ ⇒ $12=11+x$ $\therefore x=1$ Hence, the correct answer is 1.
Question : Select the most appropriate meaning of the given idiom. Between a rock and a hard place
Option 1: Stuck between two very bad options
Option 2: Willing to do anything
Option 3: On the point of achievement
Option 4: Avoiding the main topic, not speaking directly about the issue
Correct Answer: Stuck between two very bad options
Solution : The first option is correct.
Therefore, the
Question : Directions: 66 @ 17 @ 53 = 641551, and 17 @ 9 @ 99 = 15797, then 41 @ 11 @ 81 = ?
Option 1: 79993
Option 2: 37999
Option 3: 39979
Option 4: 39997
Correct Answer: 39979
Solution : Given: 66 @ 17 @ 53 = 641551; 17 @ 9 @ 99 = 15797
The pattern followed here is – 66 @ 17 @ 53→(66 – 2) = 64; (17 – 2) = 15; (53 – 2) = 51→641551 17 @ 9 @ 99→(17
Question : Directions: Which two numbers should be interchanged, to make the given equation correct? 3 × 7 – 5 + 2 = 10
Option 1: 10 and 7
Option 2: 7 and 5
Option 3: 3 and 5
Option 4: 3 and 2
Correct Answer: 7 and 5
Solution : Given: 3 × 7 – 5 + 2 = 10
Replace the given numbers according to the options one by one with the original numbers in the given equation. First option: 10 and 7 3 × 7 – 5 + 2 = 10
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