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Question : The age of the Earth is currently thought to be:
Option 1: 4.5 billion years
Option 2: 4 billion years
Option 3: 3.5 billion years
Option 4: 5 billion years
Correct Answer: 4.5 billion years
Solution : The correct answer is 4.5 billion years.
The age of the Earth is currently thought to be 4.5 billion years old, plus or minus 50 million years. In Northwestern Canada, scientists discovered rocks about 4.03 billion years old. In Australia, they discovered
Question : Which of the following is not a sub-division of the Meghalaya plateau?
Option 1: Khasi
Option 2: Jaintia
Option 3: Garo
Option 4: Dhansiri
Correct Answer: Dhansiri
Solution : The correct answer is Dhansiri
The Meghalaya Plateau is situated on Peninsular India's north-eastern flank. It is one of the wettest and most seismically active regions on Earth. The Garo Hills, Khasi Hills, and Jaintia Hills are the three divisions of the Meghalaya plateau. All
Question : The first human heart transplant was performed in:
Option 1: 1972
Option 2: 1955
Option 3: 1967
Option 4: 1959
Correct Answer: 1967
Solution : The correct option is 1967.
The first human heart transplant was performed on December 3, 1967, by South African surgeon Dr. Christiaan Barnard. The recipient was Louis Washkansky. The groundbreaking surgery marked a significant milestone in medical history, advancing organ transplantation, and offering hope
Question : A man travelled a distance of 110 km in 11 hours. He travelled some distance on foot at 6 km/hr and the remaining distance on a bicycle at 14 km/hr. What is the distance travelled on a bicycle?
Option 1: 66 km
Option 2: 99 km
Option 3: 77 km
Option 4: 88 km
Correct Answer: 77 km
Solution : Let the distance travelled on foot as \(x\) km and the distance travelled on bicycle as \(110 - x\) km. The time taken to travel on foot is \(\frac{x}{6}\) hours and the time taken to travel on bicycle is \(\frac{110 - x}{14}\) hours. Given
Question : What is the smallest number which can be added to 9454351626 so that it becomes divisible by 11?
Option 1: 1
Option 2: 6
Option 3: 5
Option 4: 4
Correct Answer: 6
Solution : A number is divisible by 11 if the difference between the sum of the digits at even places and the sum of the digits at odd places of a number is either 0 or divisible by 11. Now, the difference between the sums = (9
Question : Select the most appropriate meaning of the given idiom.
Bear the brunt of
Option 1: breed jealousy
Option 2: assume an identity
Option 3: bear discrimination
Option 4: bear the maximum fury
Correct Answer: bear the maximum fury
Solution : The correct choice is the fourth option.
Explanation: This phrase means to endure the main force or the worst part of something, typically referring to facing the most significant impact or consequences of a situation.
Question : Of three positive numbers, the ratio of 1st and 2nd is 8 : 9, and that of 2nd and 3rd is 3 : 4. The product of 1st and 3rd is 2400. The sum of the three numbers is:
Option 1: $45$
Option 2: $85$
Option 3: $95$
Option 4: $55$
Correct Answer: $45$
Solution : Let the first and the second numbers be $8x$ and $9x$. Given, Second Number : Third Number = $3 : 4$ $\frac{9x}{\text{Third number}} = \frac{3}{4}$ So, the third number = $12x$ The product of the first and third numbers is 2400. $8x×12x = 2400$ or,
Question : A conical vessel (solid) is made of iron. Its base radius is 7 cm and its height is 15 cm. If the weight of the iron per cubic centimetre is 15 g, what is the weight of the vessel?
Option 1: 13.55 kg
Option 2: 12.55 kg
Option 3: 14.55 kg
Option 4: 11.55 kg
Correct Answer: 11.55 kg
Solution : Base radius of conical vessel = 7 cm Height of conical vessel = 15 cm Weight of the iron per cubic centimetre (density) = 15 g Volume of the Conical Vessel = $\frac{1}3\pi r^2h$ = $\frac{1}3\pi \times 7^2\times 15=770$ cm3 Weight of vessel
Question : A system exhibiting Simple Harmonic Motion (SHM) must posses
Option 1: elasticity as well as inertia
Option 2: elasticity, inertia, and an external force
Option 3: elasticity only
Option 4: inertia only
Correct Answer: elasticity as well as inertia
Solution : The correct answer is elasticity as well as inertia.
A system that exhibits simple harmonic motion (SHM) must have two properties: elasticity and inertia. Elasticity is essential because the system must be capable of storing energy when pushed from its equilibrium
Fallen flat
Option 1: To do something ultimately
Option 2: To fail or be ineffective
Option 3: To resolve
Option 4: To fall on the ground
Correct Answer: To fail or be ineffective
Solution : The most appropriate is the second option.
When something falls flat, it doesn't achieve the desired result and is unsuccessful.
The meanings of the other options are as follows:
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