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Question : Ram covers a distance in 8 hours and Mohan covers the same distance in 4 hours. If the speed of Mohan is 10 km/hr more than Ram, then which of the following statements is/are correct? I. The speed of Mohan is 20 km/hr. II. Sum of their speed is 30 km/hr.
Option 1: Neither I nor II
Option 2: Both I and II
Option 3: Only II
Option 4: Only I
Correct Answer: Both I and II
Solution : Let the speed of Ram be $x$ km/hr ⇒ Speed of Mohan = $(x+10)$ km/hr Distance covered by Ram in 8 hours $= x × 8 = 8x$ km Distance covered by Mohan in 4 hours $= (x + 10) × 4
Question : X and Y together can do a piece of work in 30 days. Z alone can do it in 60 days. If they worked together, then in how many days they can finish the work?
Option 1: 50
Option 2: 25
Option 3: 45
Option 4: 20
Correct Answer: 20
Solution : X and Y together can do a piece of work in 30 days. ⇒ 1 day's work of X + Y = $\frac{1}{30}$ Z alone can do it in 60 days. ⇒ 1 day's work of Z = $\frac{1}{60}$ So, 1 day's work of X
Question : The equilibrium price of a commodity will rise if there is a/an:
Option 1: increase in supply combined with a decrease in demand.
Option 2: increases in both demand and supply.
Option 3: decrease in both demand and supply.
Option 4: increase in demand accompanied by a decrease in supply.
Correct Answer: increase in demand accompanied by a decrease in supply.
Solution : The correct option is an increase in demand accompanied by a decrease in supply.
When demand rises and supply falls, the commodity's equilibrium price increases. This is because a higher demand means consumers are willing to
Question : An enzyme produced by HIV that allows the integration of HIV DNA into the host cell's DNA is:
Option 1: Ligase
Option 2: Integrase
Option 3: Helicase
Option 4: DNA gyrase
Correct Answer: Integrase
Solution : The correct option is - Integrase.
HIV and other retroviruses include an enzyme called integrase. HIV uses the enzyme integrase to integrate its viral DNA into the DNA of the host cell. Antiretroviral HIV drugs known as integrase strand transfer inhibitors stop integration, which is
Question : Which of the following tribes belongs to the Indo-European Linguistic family?
Option 1: Garo
Option 2: Gondi
Option 3: Korwa
Option 4: Bhil
Correct Answer: Bhil
Solution : The correct answer is Bhil.
An ethnic group in western India is called Bhil or Bheel. A subgroup of the Western Zone of the Indo-Aryan languages, they speak the Bhil languages. Bhils belong to a tribe called the Indo-Aryan Group. This language family is a
Question : Directions: Select the letter cluster from among the given options that can replace the question mark (?) in the following series. IBTW, JCSV, ?, LEQT
Option 1: JCCS
Option 2: IBWP
Option 3: KDTW
Option 4: KDRU
Correct Answer: KDRU
Solution : Given: IBTW, JCSV, ?, LEQT
Here, add 1 to the place value of the first two letters and subtract 1 from the place value of the last two letters to get the next term of the series – IBTW: I + 1 = J; B
Question : Directions: In the following question, arrange the following words as per their order in the dictionary. 1. Directorial 2. Directory 3. Directive 4. Directional
Option 1: 1, 3, 4, 2
Option 2: 3, 4, 2, 1
Option 3: 3, 4, 1, 2
Option 4: 4, 3, 1, 2
Correct Answer: 4, 3, 1, 2
Solution : Given: 1. Directorial 2. Directory 3. Directive 4. Directional
Step 1: Compare the first letter of each word. Since all the words start with the same letter D, then move on to the next letter. Step 2: The second, third, fourth,
Question : Improve the underlined part of the sentence. Choose 'No improvement' as an answer if the sentence is grammatically correct.
The water leaked in with a hole in the roof.
Option 1: No improvement
Option 2: by a holed
Option 3: through a holes
Option 4: through a hole
Correct Answer: through a hole
Solution : The correct choice is the fourth option.
The prepositional phrase "with a hole" suggests a simultaneous association of the hole in the roof with the water that leaked in, but it lacks clarity in explaining how the water entered through the hole.
Question : Which of the field in which Ustad Bismillah Khan has distinguished himself ?
Option 1: Sitar.
Option 2: Guitar .
Option 3: Shehnai.
Option 4: Hindustani (Classical - Vocal).
Correct Answer: Shehnai.
Solution : The correct option is - shehnai
Ustad Bismillah Khan was a highly distinguished and renowned Indian musician who excelled in the field of classical music, specifically in the art of playing the shehnai. He is considered one of the greatest shehnai players in the world
Question : The sides of $\triangle$ABC are 10 cm, 10.5 cm and 14.5 cm. What is the radius of its circumcircle?
Option 1: 5 cm
Option 2: 7.5 cm
Option 3: 5.25 cm
Option 4: 7.25 cm
Correct Answer: 7.25 cm
Solution : The sides of $\triangle$ABC are 10 cm, 10.5 cm and 14.5 cm. Now, $10.5^2 + 10^2$ $= 110.25 + 100$ $= 210.25 = 14.5^2$ So, the triangle is a right-angled triangle. Now, in a right-angled triangle, Circum radius of the triangle = $\frac{\text{Hypotenuse}}{2}$ =
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