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Question : Direction: Two buses start at the same time from Delhi and Agra, which are 300 kms apart, towards each other. After what time will they cross each other if their speeds are 38 km/h and 37 km/h?
Option 1: 4 hours
Option 2: 3 hours
Option 3: 5 hours
Option 4: 6 hours
Correct Answer: 4 hours
Solution : Given: Distance between Delhi and Agra = 300 km Speed of bus 1 = 38 km/h Speed of bus 2 = 37 km/h
Here, both the buses are moving toward each other.
Relative speed = 38 + 37 = 75 km/h
Therefore, the time
Question : The average of five consecutive odd numbers is 27. What is the product of the first and the last number?
Option 1: 621
Option 2: 667
Option 3: 713
Option 4: 725
Correct Answer: 713
Solution : Since the average of 5 consecutive odd numbers will be its 3rd term. So, find 1st term by subtracting 4 from it and 5th term by adding 4. So, 3rd term =27 Therefore, 1st term = 27 - 4 = 23
Question : Directions: Select the Venn diagram that best illustrates the relationship between the following classes. Vehicle, Car, Motorbike
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Based on the general information, cars and motorbikes are the types of vehicles. So, the circle of cars and motorbikes comes under the circle of vehicles. But, cars and motorbikes are not related to each other.
So, the Venn diagram is as follows –
Hence, the
Question : Directions: In the following question, some parts of the sentence may have some errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No error".
I and him (1) / are (2) / very good friends. (3) / No error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
Solution : The error lies in the first part of the sentence.
"I and him" should be replaced with "he and I" as the correct subjective pronouns should be used in the correct order, which in the case of a positive statement is the second person, third
Question : Which of the following rivers is not the tributory of Ganga ?
Option 1: Indrawati
Option 2: Son
Option 3: Gomati
Option 4: Yamuna
Correct Answer: Indrawati
Solution : Correct answer is Indravati
Indravati river is a tributary of Godavari river & Godavari river is India's second longest river after Ganga And it flows from western to Southern India. It is the largest river of peninsular India. Length of Ganga 2525kms. Tributaries of Ganga
Question : If $\sqrt{3} \tan \theta=3 \sin \theta$, then what is the value of $\sin ^2 \theta-\cos ^2 \theta$?
Option 1: $\frac{1}{5}$
Option 2: $\frac{1}{4}$
Option 3: $\frac{1}{2}$
Option 4: $\frac{1}{3}$
Correct Answer: $\frac{1}{3}$
Solution : Given: $\sqrt{3} \tan \theta=3 \sin \theta$ ⇒ $\sqrt{3}\times \frac{\sin \theta}{\cos\theta}=3 \sin \theta$ ⇒ $\frac{\sqrt{3}}{3}=\cos\theta$ ⇒ $\cos\theta=\frac{1}{\sqrt3}$ Squaring both sides of the above equation, $\cos^2 \theta=\frac{1}{3}$ (equation 1) We know the trigonometric identity, $\sin ^2 \theta+\cos ^2 \theta=1$. Substitute the value from the equation 1 in
Question : Directions: From the given options, which answer figure can be formed by folding the figure given in the question figure?
Solution : As per the properties of the dice, the opposite faces of a dice cannot appear together and also the sides of opposite faces cannot touch each other. The opposite pairs of faces are as follows –
So, in the 3D view of a dice – 1.
Question : Which of the following pairs is incorrect?
I.Touch Pad - Locator device
II.Microphone - Output device
III.Monitor - Output device
Option 1: I and II
Option 2: I and III
Option 3: Only II
Option 4: All the above
Correct Answer: Only II
Solution : The correct option is Only II.
A touchpad is a locator device for pointing (controlling input positioning) on a computer display screen. It is an alternative to the mouse. The monitor, commonly called a Visual Display Unit (VDU), is the main output device
Question : The Lomas Rishi Cave which is a man-made cave is located in which state of India?
Option 1: Maharashtra
Option 2: Karnataka
Option 3: Madhya Pradesh
Option 4: Bihar
Correct Answer: Bihar
Solution : The correct answer is Bihar.
Lomas Rishi Cave is located in Bihar, and these caves belong to the Ajivika sect of the Buddhist religion. These caves are located in the north direction of the Gaya in Bihar. The Lomas Rishi Cave, also called the Grotto
Question : Eutrophication of a water body enhances:
Option 1: Organic matter production
Option 2: Biological oxygen demand
Option 3: Both (1) and (2)
Option 4: Neither (1) nor (2)
Correct Answer: Both (1) and (2)
Solution : The correct answer is Both (1) and (2).
Eutrophication is also known as nutrient enrichment of a water body. It is caused because of the increased supply of nutrients through agricultural runoff and industrial wastes into the water body. It increases the
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