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13 Views

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

Team Careers360 24th Jan, 2024

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

12 Views

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

Team Careers360 21st Jan, 2024

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

7 Views

Question : The first human heart transplant was performed in:

Option 1: 1972

Option 2: 1955

Option 3: 1967

Option 4: 1959

Team Careers360 23rd Jan, 2024

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

58 Views

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

Team Careers360 21st Jan, 2024

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

31 Views

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

Team Careers360 21st Jan, 2024

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

14 Views

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

Team Careers360 21st Jan, 2024

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.

26 Views

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: $55$

Team Careers360 22nd Jan, 2024

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,

40 Views

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

Team Careers360 24th Jan, 2024

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

10 Views

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

Team Careers360 21st Jan, 2024

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

16 Views

Question : Select the most appropriate meaning of the given idiom.

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

Team Careers360 24th Jan, 2024

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:

  • To do something ultimately: To accomplish something in the end.
  • To resolve:
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