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Question : The average of five consecutive odd numbers is 15. What is the smallest of these five numbers?
Option 1: 11
Option 2: 13
Option 3: 15
Option 4: 9
Correct Answer: 11
Solution : Let the first odd number be $x$, which is the smallest number. The rest of the consecutive odd numbers are $x+2$, $x+4$, $x+6$, $x+8$. Average = $\frac{x+x+2 + x+4 + x + 6 + x+8}{5}$ $⇒15 = \frac{5x+20}{5}$ $⇒75=5x+20$ $\therefore x = 11$ Hence, the
Question : Who has won the most individual gold Olympic medals?
Option 1: Simone Biles
Option 2: Katie Ledecky
Option 3: Usain Bolt
Option 4: Michael Phelps
Correct Answer: Michael Phelps
Solution : The correct answer is Michael Phelps.
Michael Phelps has won the most individual gold Olympic medals. He is an American swimmer. He is the most successful Olympian and has won 23 gold medals in swimming at the Olympics. At the 2008 Olympic Games
Question : Directions: The mean weight of 8 students is 57 kg. The weight of each student is 55 kg, 49 kg, 57 kg, 63 kg, 68 kg, 52 kg, X kg, and Y kg. What is the sum of X and Y?
Option 1: 116 kg
Option 2: 112 kg
Option 3: 110 kg
Option 4: 114 kg
Correct Answer: 112 kg
Solution : Given: The mean weight of 8 students = 57 kg
⇒The sum of the weight of 8 students = Mean weight of 8 students × number of students = 57 × 8 = 456 ⇒The sum of weight of each student = (55 +
Question : Directions: Seven people A, B, C, D, E, F, and G have different heights. A is taller than four other people. E is shorter than only one person. The height of how many people is between the height of A and E?
Option 1: 2
Option 2: 3
Option 3: 0
Option 4: 1
Correct Answer: 0
Solution : Given: (I) Seven people A, B, C, D, E, F, and G have different heights. A is taller than four other people. _ > _ > A > _> _> _> _ (II) E is shorter than only one person. _ > E > A
Question : Simplify $\frac{\cos 45^{\circ}}{\sec 30^{\circ}+\operatorname{cosec} 30^{\circ}}$
Option 1: $\frac{3 \sqrt{2}+\sqrt{6}}{8}$
Option 2: $\frac{\sqrt{3}}{2 \sqrt{2}-2 \sqrt{6}}$
Option 3: $\frac{3 \sqrt{2}-\sqrt{6}}{8}$
Option 4: $\frac{\sqrt{3}}{2 \sqrt{6}-2 \sqrt{2}}$
Correct Answer: $\frac{3 \sqrt{2}-\sqrt{6}}{8}$
Solution : $\frac{\cos 45^{\circ}}{\sec 30^{\circ}+\operatorname{cosec} 30^{\circ}}$ = $\frac{\frac{1}{\sqrt{2}}}{\frac{2}{\sqrt{3}}+2}$ = $\frac{\sqrt{3}}{2\sqrt{2}(\sqrt{3}+1)}$ = $\frac{\sqrt{3}}{2\sqrt{2}(\sqrt{3}+1)}\times\frac{\sqrt{2}(\sqrt{3}-1)}{\sqrt{2}(\sqrt{3}-1)}$ = $\frac{3 \sqrt{2}-\sqrt{6}}{8}$ Hence, the correct answer is $\frac{3 \sqrt{2}-\sqrt{6}}{8}$.
Question : Which of the following persons won the 'Best Female Debut' Award at the 2021 Paralympic Sports Awards 2021?
Option 1: Deepa Malik
Option 2: Bhavina Patel
Option 3: Avani Lekhara
Option 4: Mirabai Chanu
Correct Answer: Avani Lekhara
Solution : The correct answer is Avani Lekhara.
At the Tokyo Paralympics, Indian shooter Avani Lekhara took home the gold medal in the women's 10-metre air rifle shooting competition. She has captured the nation's first gold medal at the Paralympic Games in Tokyo.
With a score
Question : Find the fourth proportion to 0.24, 0.6, and 20.
Option 1: 50
Option 2: 24
Option 3: 54
Option 4: 48
Correct Answer: 50
Solution : Assuming the fourth proportion is $x$. $0.24:0.6: : 20:x$ ⇒ $\frac{0.24}{0.6}$ = $\frac{20}{x}$ ⇒ $x$ = $\frac{20×0.6}{0.24}$ ⇒ $x$ = 50 Hence, the correct answer is 50.
Question : $2\ \text{cosec}^{2}\: 23°\cot^{2}67°-\sin^{2}23°-\sin^{2}67°-\cot^{2}67°$ is equal to:
Option 1: $1$
Option 2: $\sec^{2}23°$
Option 3: $\tan^{2}23°$
Option 4: $0$
Correct Answer: $\sec^{2}23°$
Solution : $2\ \text{cosec}^{2}\: 23°\cot^{2}67°-\sin^{2}23°-\sin^{2}67°-\cot^{2}67°$ $=2\: \frac{1}{\sin^{2}\: 23°}\tan^{2}23°-\sin^{2}23°-\cos^{2}23°-\tan^{2}23°$ $=2\: \frac{1}{\cos^{2}23°}-(\sin^{2}23°+\cos^{2}23°)-\frac{\sin^{2}23°}{\cos^{2}23°}$ $=2\: \frac{1}{\cos^{2}23°}-1-\frac{\sin^{2}23°}{\cos^{2}23°}$ $=\frac{2-\cos^2 23° - \sin^223°}{\cos^2 23°}$ $=\frac{2-1}{\cos^2 23°}$ $=\sec^2 23°$ Hence, the correct answer is $\sec^2 23°$.
Question : Select the most appropriate ANTONYM of the given word. Pernicious
Option 1: Malicious
Option 2: Wicked
Option 3: Injurious
Option 4: Compassionate
Correct Answer: Compassionate
Solution : The correct antonym is the fourth option: Compassionate.
Explanation for each option:
Malicious - This word is a synonym of "pernicious" and does not provide an appropriate antonym. Both words have a similar meaning of causing harm or being harmful.
Wicked - This word is
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Challenges are (1)___________ that knock on our door. It may sound difficult to (2)__________ the obstacles in our career but challenges are rewarding. If there were no challenges there would have been no (3)__________ on this planet. Every challenge poses an opportunity for those who like to put their (4)___________ to the fullest utilisation. Knowledge and (5)__________ is the key to overcome challenges.
Question: Select the most appropriate option to fill in the blank number 5.
Option 1: time
Option 2: gadget
Option 3: confidentiality
Option 4: patience
Correct Answer: patience
Solution : The correct choice is the fourth option.
The phrase knowledge and patience refers to the idea that possessing information, skills, and understanding, coupled with a specific attribute, is essential for overcoming challenges.
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