Staff Selection Commission Multi Tasking Staff Exam
Question : Directions: In a certain code language, Phones are burning is coded as 7 8 3, and That coach was burning is coded as 6 3 2 4. What can be the code for are in that language?
Option 1: 3
Option 2: 2
Option 3: 8
Option 4: 6
Correct Answer: 8
Solution : Given: (I) Phones are burning⇒7 8 3 (II) That coach was burning⇒6 3 2 4
By comparing all the two coded sentences, we find that – In sentences I and II burning and 3 are common. In sentence I, the words phones, are and
Question : Directions: In a certain code language, IMAGE is written as RN1TV. How will KNIFE be written in that language?
Option 1: PIMVU
Option 2: P9MUV
Option 3: PM9UV
Option 4: PM9VU
Correct Answer: PM9UV
Solution : Given: IMAGE is coded as RN1TV.
Write the place value of the middle letter and the opposite letters of the remaining letters of IMAGE to get the required codes.
So, IMAGE is coded as RN1TV. Similarly, follow the same pattern for KNIFE –
So, KNIFE
Question : Rima buys a chair for Rs. 1000 and sells it at a loss of 8%. What is the selling price of the chair?
Option 1: Rs. 920
Option 2: Rs. 900
Option 3: Rs. 980
Option 4: Rs. 1000
Correct Answer: Rs. 920
Solution : Cost price of chair = Rs. 1000 Loss = 8% Selling price = $\frac{100- \text{Loss}\%}{100}×$ cost price = $\frac{100-8}{100}\times1000$ = $920$ Hence, the correct answer is Rs. 920.
Question : At a certain rate of simple interest per annum, a certain sum amounts to INR 24,000 in 7 years and to INR 32,000 in 12 years. What is the rate of simple interest paid per annum?
Option 1: 15%
Option 2: 25%
Option 3: 12.5%
Option 4: 20%
Correct Answer: 12.5%
Solution : Given: At a certain rate of simple interest per annum, a certain sum amounts to INR 24,000 in 7 years and to INR 32,000 in 12 years. So, simple interest of 5 years = INR 32000 – INR 24000 = INR 8,000 $\therefore$ Simple interest
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: Which of the mathematical signs should be interchanged in the below equation to make it mathematically correct? 24 ÷ 15 × 16 + 4 – 18 = 66
Option 1: ÷ and ×
Option 2: – and +
Option 3: – and ×
Option 4: ÷ and +
Correct Answer: ÷ and +
Solution : Given: 24 ÷ 15 × 16 + 4 – 18 = 66
Replace the given symbols in the options one by one with the original symbols in the given equation. First option: ÷ and × Solving the L.H.S. of the equation – =
Question : Directions: Study the following diagram consisting of a circle, a rectangle, and a triangle, and answer the question given below.
Which one of the following statements is correct about the given diagram?
Option 1: A and B are in all three shapes
Option 2: E, A, B and C are in all the three shapes
Option 3: F, C, D, B, and A are in all three shapes
Option 4: Only B is in all three shapes
Correct Answer: Only B is in all three shapes
Solution : In the below diagram, the shaded part represents the common region of the circle, rectangle, and triangle.
So, only B is common in circle, triangle and, rectangle. Hence, the fourth option is correct.
Question : When was the 'League of Nations' formed?
Option 1: 10th February 1920
Option 2: 10th December 1919
Option 3: 10th January 1920
Option 4: 1st January 1920
Correct Answer: 10th January 1920
Solution : The correct option is 10th January 1920.
The League of Nations was established on January 10, 1920, by President Wilson, Jan Smuts, and British Prime Minister David Lloyd George, with its headquarters in Geneva.
Question : The average age of 14 teachers is 56 years. After involving a new teacher in that group, the average rises by 2 years. What is the age of the new teacher?
Option 1: 86 years
Option 2: 72 years
Option 3: 84 years
Option 4: 78 years
Correct Answer: 86 years
Solution : Given: The average age of 14 teachers is 56 years. After involving a new teacher in that group, the average rises by 2 years. Use the formula, $\text{Average}=\frac{\text{Sum of all values}}{\text{The total number of values}}$. The age of the new teacher = $15\times 58-14\times
Question : Which among the following is the structural and fundamental unit of life?
Option 1: Tissue
Option 2: Enzyme
Option 3: Cell
Option 4: Hormone
Correct Answer: Cell
Solution : The correct answer is Cell.
The cell is known as the structural and fundamental unit of life because it can carry out all the life processes, such as nutrition, respiration, etc. Cells are the smallest unit of life, and all living beings are made
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