Staff Selection Commission Multi Tasking Staff Exam
Question : Directions: Select the figure from among the given options that can replace the question mark (?) in the following series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : According to the given figures – 1. All the symbols move clockwise half the side of the square in each step. 2. The symbols are replaced by new ones sequentially in an anticlockwise direction.
Therefore, the figure in the third option is the required figure. Hence,
Question : The element involved with blood clotting is:
Option 1: phosphorus
Option 2: calcium
Option 3: iron
Option 4: sodium
Correct Answer: calcium
Solution : The correct option is calcium.
Calcium is a mineral that is required for blood coagulation. Calcium ions are essential in the complicated metabolic pathways that contribute to blood clot formation. It is required for several steps in the coagulation cascade, a series of reactions
Question : Which of the following novels is based on the Member of Parliament (India), Phoolan Devi, and written by the author Roy Moxham?
Option 1: Outlaw: India’s Bandit Queen and Me
Option 2: Lilavati’s Daughters
Option 3: Spy Princess
Option 4: The Woman Who Knew Infinity
Correct Answer: Outlaw: India’s Bandit Queen and Me
Solution : The correct option is Outlaw: India’s Bandit Queen and Me.
The book "Outlaw: India’s Bandit Queen and Me" was written by Roy Moxham. In this book, Roy Moxham examines the cultural and historical background of India's Bandit Queen, Phoolan Devi,
Question : With which of the following musical instruments was Ustad Alla Rakha primarily associated?
Option 1: Sitar
Option 2: Sarod
Option 3: Tabla
Option 4: Flute
Correct Answer: Tabla
Solution : The correct answer is tabla.
Ustad Alla Rakha, born on April 29, 1919 and passing away on February 3, 2000, was a renowned Indian tabla player specialising in Hindustani classical music. Alla Rakha played a pivotal role in popularising the tabla in the Western
Question : Directions: In a certain code language, if Delhi is called Mumbai, Mumbai is called Jaipur, Jaipur is called Durgapur, Durgapur is called Chandigarh, and Chandigarh is called Jodhpur, then which city is the capital of Rajasthan?
Option 1: Durgapur
Option 2: Jaipur
Option 3: Chandigarh
Option 4: Mumbai
Correct Answer: Durgapur
Solution : Here, as per the given instructions –
The capital city of Rajasthan is Jaipur and Jaipur is called Durgapur. Hence, the first option is correct.
Question : When 175 is added to 12.5% of a number, the resultant is the number itself. What is the value of the number?
Option 1: 280
Option 2: 200
Option 3: 240
Option 4: 300
Correct Answer: 200
Solution : When 175 is added to 12.5% of a number, the resultant is the number itself. x% of y = $\frac{\text{x}}{100}\times \text y$ Let the number be x. ⇒ $175+\frac{12.5}{100}\times \text x = \text x$ Solving for x, ⇒ $(\frac{100-12.5}{100})$x = 175 ⇒ x = $175
Question : A man goes from A to B at a speed of 200 km/hr and comes back to A at a speed of 300 km/hr. Find his average speed for the entire journey.
Option 1: 264 km/hr
Option 2: 345 km/hr
Option 3: 340 km/hr
Option 4: 240 km/hr
Correct Answer: 240 km/hr
Solution : $S_1$ = 200 km/hr $S_2$ = 300 km/hr Average speed = $\frac{2S_1S_2}{S_1+S_2}$ = $\frac{2×200×300}{200+300}$ = $\frac{120000}{500}$ = $240$ km/hr Hence, the correct answer is 240 km/hr.
Question : Browning of paper in old books is caused by
Option 1: frequent use
Option 2: lack of aeration
Option 3: collection of dust
Option 4: oxidation of cellulose
Correct Answer: oxidation of cellulose
Solution : The correct option is the oxidation of cellulose.
The browning of paper in old books is primarily caused by the oxidation of cellulose, a process accelerated by exposure to light, air and moisture. Over time, atmospheric oxygen reacts with cellulose fibres, leading
Question : If the selling price of 9 boxes is equal to the cost price of 15 boxes. The gain percentage is (The selling price of all boxes is the same and the cost price of all boxes is the same):
Option 1: $\frac{50}{3}\%$
Option 2: $\frac{200}{3}\%$
Option 3: $\frac{100}{3}\%$
Option 4: $\frac{140}{3}\%$
Correct Answer: $\frac{200}{3}\%$
Solution : Let the cost price of one box as C and the selling price of one box as S. Given that the selling price of 9 boxes is equal to the cost price of 15 boxes. ⇒ 9S = 15C ⇒ S = $\frac{15}{9}$C = $\frac{5}{3}$C
Question : Directions: In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows the given statements. Statements: I. Some pencils are paper. II. No book is paper. Conclusions: I. Some pencils are not books. II. All books are pencils. III. Some papers are pencil.
Option 1: Both conclusions I and III follow
Option 2: Only conclusion II follows
Option 3: All conclusion follows
Option 4: Both conclusions II and III follow
Correct Answer: Both conclusions I and III follow
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): Some pencils are not books – From the Venn diagram, we can see that there is a portion of pencils
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