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Question : Sonu and Monu can do a piece of work in 8 days and 12 days, respectively. If at the end of the work they got Rs. 8400. What is the share of Sonu?
Option 1: Rs. 2360
Option 2: Rs. 1680
Option 3: Rs. 3480
Option 4: Rs. 5040
Correct Answer: Rs. 5040
Solution : Given: Sonu and Monu can do a piece of work in 8 days and 12 days, respectively. Ratio of their efficiency = $\frac{1}{8}:\frac{1}{12}$ = 3 : 2 Their wages will also be in the same ratio. $\therefore$ Share of Sonu = $\frac{3}{2+3}\times8400=\frac35\times8400$ = Rs.
Question : The orthocentre of a triangle is the point where:
Option 1: the medians meet
Option 2: the altitudes meet
Option 3: the right bisectors of the sides meet
Option 4: the bisectors of the angles meet
Correct Answer: the altitudes meet
Solution : An orthocentre is a point where the altitudes meet. Hence, the correct answer is 'the altitudes meet'.
Question : Which of the following processes does not increase the amount of carbon dioxide in the air?
Option 1: Breathing
Option 2: Photosynthesis
Option 3: Burning of petrol
Option 4: Aerobic decay of vegetation
Correct Answer: Photosynthesis
Solution : The correct option is Photosynthesis.
Photosynthesis is the mechanism through which green plants convert carbon dioxide and water into sugar glucose, utilising the energy derived from light. As a result, in addition to creating oxygen, photosynthesis serves as almost every organism's primary energy source. Hence,
Question : Select the most appropriate synonym of the given word. Equivocal
Option 1: Definite
Option 2: Secure
Option 3: Insecure
Option 4: Ambiguous
Correct Answer: Ambiguous
Solution : The fourth option is correct.
Ambiguous means having more than one possible meaning or interpretation, which is unclear. This is the closest synonym to equivocal, as it also denotes something that is not clear or straightforward in meaning. The meanings of the other options are
Question : The average mark obtained by Saloni in four papers was 51, and in the fifth paper, she got 56 marks. Find her new average in all five papers.
Option 1: 51
Option 2: 52
Option 3: 49
Option 4: 50
Correct Answer: 52
Solution : The average mark obtained by Saloni in four papers was 51. Total marks in 4 papers = 51 × 4 = 204 In the fifth paper, she got 56 marks. New average = $\frac{\text{Total marks in 5 papers}}{\text{Total papers}}=\frac{204+56}{5}=52$ Hence, the correct answer is 52.
Question : If $P =\frac{96}{95\times97}, Q = \frac{97}{96\times98}$ and $R = \frac{1}{97}$, then which of the following is true?
Option 1: $P < Q < R $
Option 2: $R < Q < P $
Option 3: $Q < P < R $
Option 4: $R < P < Q $
Correct Answer: $R < Q < P $
Solution : $P = \frac{96}{95 \times 97} = \frac{1}{95} \times \frac{96}{97}$ $Q = \frac{97}{96 \times 98} = \frac{1}{96} \times \frac{97}{98}$ $R = \frac{1}{97}$ Comparing $P$ and $R$, $\frac{1}{95}\times\frac{96}{97} > \frac{1}{97}⇒P > R$. Comparing $P$ and $Q$, $\frac{1}{95}\times\frac{96}{97} > \frac{1}{96}\times \frac{97}{98}⇒P > Q$.
Question : Who among the following became the first-ever Indian cricket player to play 400 T20s?
Option 1: Rohit Sharma
Option 2: Dinesh Karthik
Option 3: Virat Kohli
Option 4: Mahendra Singh Dhoni
Correct Answer: Rohit Sharma
Solution : The correct answer is Rohit Sharma.
Rohit Sharma became the first player from the country to feature in 400 T20 matches. Rohit Sharma is the captain of the current Indian cricket team, he also led the team in the recent World Cup played
Question : The cost price of an article is Rs. $x$. It is marked up by 200%. It is sold at Rs. 540 after giving a 25% discount. What is the value of $x$ (in Rs.)?
Option 1: 360
Option 2: 250
Option 3: 300
Option 4: 240
Correct Answer: 240
Solution : The cost price of an article is Rs. $x$. Since the article is marked up by 200%, the marked price = Rs. $3x$ After giving a 25% discount, it is sold at Rs. 540. So, $3x\times 0.75 = 540$ ⇒ $x = 240$ So, the
Question : Rama is suffering from chickenpox. What type of disease is it?
Option 1: Fungal disease
Option 2: Hereditary disease
Option 3: Viral disease
Option 4: Bacterial disease
Correct Answer: Viral disease
Solution : The correct option is a viral disease.
Chickenpox is a viral disease caused by the Varicella-Zoster virus. It is highly contagious and primarily affects children. The symptoms include a characteristic itchy rash, fever and malaise. The vaccination for chickenpox is available and is
Question : Select the most appropriate synonym of the given word.
Courage
Option 1: Timidity
Option 2: Valour
Option 3: Cowardice
Option 4: Ingenuity
Correct Answer: Valour
Solution : The correct choice is the second option.
"Courage" means the ability to control fear and be willing to deal with dangerous situations. It also means bravery. "Valour" means strength or bravery exhibited in the face of danger, making it the synonym of "courage".
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