Staff Selection Commission Multi Tasking Staff Exam
Question : A alone can paint a house in 35 days and B alone can do it in 70 days. Along with C, they did the job in 10 days only. In how many days C alone can do the job?
Option 1: 40 days
Option 2: $\frac{70}{3}$ days
Option 3: $\frac{70}{4}$ days
Option 4: 20 days
Correct Answer: $\frac{70}{4}$ days
Solution : Given, A alone can paint a house in 35 days ⇒ A's one day work = $\frac{1}{35}$ Also, B alone can do it in 70 days ⇒ B's one day work = $\frac{1}{70}$ Let C alone can finish the work in $x$ days According
Question : Directions: Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.
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. Here, according to the information provided, the mirror is placed on the right side of the figure (on line MN). So, the left side of the reflected image will appear
Question : Directions: By interchanging the given two signs which of the following equations will NOT be correct? × and – I. 4 ÷ 2 + 1 × 6 – 3 = 13 II. 5 + 7 – 8 × 2 ÷ 1 = 58
Option 1: Only II
Option 2: Only I
Option 3: Neither I nor II
Option 4: Both I and II
Correct Answer: Both I and II
Solution : Given: Interchange the signs × and –.
I. 4 ÷ 2 + 1 × 6 – 3 = 13 After interchanging the signs the equation becomes – 4 ÷ 2 + 1 – 6 × 3 = 13 L.H.S.→ 2 + 1
Question : Brita Dance is the traditional folk dance of which state?
Option 1: West Bengal
Option 2: Odisha
Option 3: Rajasthan
Option 4: Uttar Pradesh
Correct Answer: West Bengal
Solution : The correct answer is West Bengal.
Brita Dance is the traditional folk dance of West Bengal. Brita, also known as “Brihat Chakra”, refers to the circle that is characteristic of this dance. In Bengali culture, the Brita dance is regarded as a prayer imbued
Question : Which of the following is an example of emulsion?
Option 1: Milk
Option 2: Mist
Option 3: Gemstone
Option 4: Clouds
Correct Answer: Milk
Solution : The correct option is Milk.
The emulsion is a colloidal solution where the dispersed phase and medium are liquids. It is a mixture of two or more liquids that are normally immiscible owing to the liquid-liquid phase separation. Examples are milk, face cream,
Question : Directions: Select the option related to the sixth number in the same way as the first number is related to the second number and the third number is related to the fourth number. 4 : 66 :: 8 : 514 :: ? : 345
Option 1: 11
Option 2: 7
Option 3: 9
Option 4: 8
Correct Answer: 7
Solution : Given: 4 : 66 :: 8 : 514 :: ? : 345
Add two to the cube of the first number, to obtain the second number in each number pair – Like, 4 : 66→43 + 2 = 64 + 2 = 66 And,
Question : There is a ratio of 5 : 4 between the two numbers. If 40 percent of the first number is 12, then 50% of the second number is:
Option 1: 12
Option 2: 24
Option 3: 18
Option 4: 20
Correct Answer: 12
Solution : Given: The ratio of two numbers = 5 : 4 Let the numbers be $5x$ and $4x$. 40% of the first number = 12 So, $\frac{40}{100}\times 5x=12$ $⇒x=6$ $\therefore$ The first number = 5 × 6 = 30 and the second number = 4 ×
Question : The iron pillar is situated in which of the following places?
Option 1: Delhi
Option 2: Kolkata
Option 3: Chennai
Option 4: Jaipur
Correct Answer: Delhi
Solution : The correct answer is Delhi.
The iron pillar is situated at Mehrauli in Delhi and, it was constructed by Chandragupta II. It is a 7.2-metre structure situated in Quwwat-ul-Islam Mosque at Mehrauli in Delhi. Chandragupta II is also known as Vikramaditya, and he is regarded
Question : Where was the Formula One 2013 Indian Grand Prix held?
Option 1: Kari Motor Speedway
Option 2: Chicane Circuit
Option 3: Madras Motor Race Track
Option 4: Buddh International Circuit
Correct Answer: Buddh International Circuit
Solution : The correct answer is Buddh International Circuit
The Buddh International Circuit in Greater Noida, Uttar Pradesh, India hosted the 2013 Indian Grand Prix, also known as the 2013 Formula 1 Airtel Indian Grand Prix, on October 27, 2013. Contested over sixty laps, Sebastian
Question : Sumit lent INR 5000 to Ram for 2 years and INR 8000 to Mayur for 3 years on simple interest at the same rate of interest and received INR 1700 in total from both of them as interest. What is the rate of interest per annum?
Option 1: 8%
Option 2: 4%
Option 3: 5%
Option 4: 10%
Correct Answer: 5%
Solution : Principal sum, $P_1$ = INR 5000 Term, $n_1$ = 2 years Principal sum, $P_2$ = INR 8000 Term, $n_2$ = 3 years Simple interest, SI = INR 1700 Let $R$ be the rate of interest. SI = $\frac{P_1 × R × n_1}{100} + \frac{P_2 ×
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