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Question : Directions: What should come in place of the question mark (?) in the given series? 717, 738, 757, ?, 789
Option 1: 784
Option 2: 787
Option 3: 774
Option 4: 772
Correct Answer: 774
Solution : Given: 717, 738, 757, ?, 789
Add the consecutive odd numbers in decreasing order, (starting from 21) to the previous number to get the next number of the series – 717 + 21 = 738; 738 + 19 = 757; 757 + 17 = 774;
Question : Directions: In a certain coded language, A + B means A is the father of B; A – B means A is the mother of B; A @ B means A is the son of B; A # B means A is the daughter of B. If A # B – C @ D + E, then how is A related to E?
Option 1: Sister-in-law
Option 2: Mother
Option 3: Sister
Option 4: Daughter
Correct Answer: Sister
Solution : Given: A # B ⇒ A is the daughter of B B – C ⇒ B is the mother of C C @ D ⇒ C is the son of D D + E ⇒ D is the father of E
As per the instructions
Question : The Andaman and Nicobar group of Islands are separated from each other by which of the following?
Option 1: Ten Degree Channel
Option 2: Great Channel
Option 3: Bay of Bengal
Option 4: Andaman Sea
Correct Answer: Ten Degree Channel
Solution : The correct option is the Ten Degree Channel.
The Ten Degree Channel is a narrow strip of water in the Indian Ocean separating the Andaman and Nicobar Islands. It is a vital maritime channel that connects the two island groups and is
Question : Which of the given responses would be a meaningful order of the following?
1. Pollution 2. Population 3. Death 4. Disease
Option 1: 3,2,4,1
Option 2: 3,4,2,1
Option 3: 2,1,3,4
Option 4: 1,2,3,4
Correct Answer: 2,1,3,4
Solution : Given - 1. Pollution 2. Population 3. Death 4. Disease
Here,
A meaningful order for the given responses could be:
2. Population, 1. Pollution, 4. Disease, 3. Death
This sequence reflects a common pattern where an increasing population can lead to a rise in disease
Question : The main function of the heart is to:
Option 1: supply oxygen to the tissues
Option 2: carry carbon dioxide from the tissues
Option 3: throw away waste materials
Option 4: pump blood to different parts of the body
Correct Answer: pump blood to different parts of the body
Solution : The correct answer is to pump blood to different parts of the body.
The heart's main function is to pump blood to different parts of the body and it supplies oxygen and nutrients to the tissues, removes carbon
Question : A solid metallic sphere of radius 9 cm is melted and recasted into a wire of radius 2 cm. What is the length of the wire?
Option 1: 343 cm
Option 2: 152 cm
Option 3: 243 cm
Option 4: 184 cm
Correct Answer: 243 cm
Solution : Given, A solid metallic sphere of radius 9 cm is melted and recast into a wire of radius 2 cm. We know, The volume of a sphere = $\frac43πr^3$, where $r$ is the radius And, the Volume of a wire = $πr^2l$, where $l$
Question : The ratio of the length of a rod and its shadow is $1: \sqrt{3}$. The angle of elevation of the sun is:
Option 1: $90^{\circ}$
Option 2: $30^{\circ}$
Option 3: $45^{\circ}$
Option 4: $60^{\circ}$
Correct Answer: $30^{\circ}$
Solution : The ratio of the length of a rod and its shadow, $\frac{AB}{BC} = \frac{1}{\sqrt{3}}$ ⇒ $\tan \theta = \frac{AB}{BC}$ ⇒ $\tan \theta = \frac{1}{\sqrt{3}}$ ⇒ $\tan\theta = \tan 30^{\circ}$ ⇒ $\theta =30^{\circ}$ Hence, the correct answer is $30^{\circ}$.
Question : Directions: A series is given below with one term missing. Choose the correct alternative from the given ones that will complete the series. T, R, O, M, J, H, ?
Option 1: F
Option 2: G
Option 3: D
Option 4: E
Correct Answer: E
Solution : Given: T, R, O, M, J, H, ?
Subtract 2 and 3 alternatively to the place value of each letter, to get the next term – T – 2 = R; R – 3 = O; O – 2 = M; M – 3 =
Question : Which organ is the alternate term for womb?
Option 1: Uterus
Option 2: Ureter
Option 3: Vagina
Option 4: Vulva
Correct Answer: Uterus
Solution : The correct answer is Uterus.
The uterus, often known as the womb, is an important organ in the female reproductive system. It is a pear-shaped muscle organ positioned between the bladder and the rectum in the pelvis. The uterus is essential for reproduction.
Question : Which hypothesis was proposed by Paul Ehrlich to suggest the importance of species richness in the maintenance of ecosystems?
Option 1: Portfolio hypothesis
Option 2: Redundancy hypothesis
Option 3: Predation hypothesis
Option 4: Rivet Popper hypothesis
Correct Answer: Rivet Popper hypothesis
Solution : The correct answer is the Rivet Popper hypothesis.
Paul Ehrlich put forth the Rivet Popper Hypothesis. According to the hypothesis, species richness is crucial to the ecosystem's ability to remain intact. The Rivet Hypothesis compares the increasingly critical impact that the extinction of
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