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Question : Directions: Which number will replace the question mark (?) in the following series? 1, 4, 13, 40, ?, 364
Option 1: 132
Option 2: 121
Option 3: 120
Option 4: 124
Correct Answer: 121
Solution : Given: 1, 4, 13, 40, ?, 364
The pattern is as follows –
So, 121 is the missing term in the series. Hence, the second option is correct.
Question : Directions: Rajan cycles 8 km in the south direction and takes a left turn to travel another 8 km. He again takes a left turn to travel 8 km further. In which direction is he now from his original position?
Option 1: East
Option 2: North-west
Option 3: South-east
Option 4: South
Correct Answer: East
Solution : Firstly, we will draw the diagram as per the given instructions –
Now, we have to find the direction of Rajan with respect to the starting position –
Therefore, Rajan is in the East from his original position. Hence, the first option is correct.
Question : A sum invested at a certain rate of interest per annum, compounded annually, amounts to INR 14,400 in 2 years and to INR 25,920 in 4 years. What is the sum invested?
Option 1: INR 8,200
Option 2: INR 7,500
Option 3: INR 8,500
Option 4: INR 8,000
Correct Answer: INR 8,000
Solution : Given, A sum invested at a certain rate of interest per annum, compounded annually, amounts to INR 14,400 in 2 years and to INR 25,920 in 4 years. We know, Amount after $n$ years = $P(1+\frac{r}{100})^n$, where $P$ is the principal amount and $r$
Question : The foundation of the Mauryan Empire was laid by_________________.
Option 1: Kalashoka
Option 2: Chandragupta Maurya
Option 3: Bindusara
Option 4: Ashoka
Correct Answer: Chandragupta Maurya
Solution : The correct option is Chandragupta Maurya.
The foundation of the Mauryan Empire was laid by Chandragupta Maurya. He was the founder and the first emperor of the Maurya dynasty, and he established the empire in ancient India in the 4th century BCE. Under
Question : $2\sqrt[3]{40}-4\sqrt[3]{320}+3\sqrt[3]{625}-3\sqrt[3]{5}$ is equal to:
Option 1: $-2\sqrt[3]{340}$
Option 2: $0$
Option 3: $\sqrt[3]{340}$
Option 4: $\sqrt[3]{660}$
Correct Answer: $0$
Solution : $2\sqrt[3]{40}-4\sqrt[3]{320}+3\sqrt[3]{625}-3\sqrt[3]{5}$ = $2\sqrt[3]{2^3×5}-4\sqrt[3]{4^3×5}+3\sqrt[3]{5^3×5}-3\sqrt[3]{5}$ = $4\sqrt[3]{5}-16\sqrt[3]{5}+15\sqrt[3]{5}-3\sqrt[3]{5}$ = $19\sqrt[3]{5}-19\sqrt[3]{5}$ = $0$ Hence, the correct answer is $0$.
Question : Select the most appropriate ANTONYM of the given word. Conceal
Option 1: Watch
Option 2: See
Option 3: Reveal
Option 4: Hide
Correct Answer: Reveal
Solution : The correct answer is the third option.
Explanation:
Watch means to observe or look attentively, often for some time.
See means to perceive with the eyes; to be aware of through visual sensation.
Hide means to conceal or put out of sight; to keep something
Question : A thief steals a van at 3:00 a.m. and drives it at a speed of 57 km/h. The thief is discovered at 4:00 a.m. and the owner starts chasing in another van, at a speed of 76 km/h. At what time will he catch the thief?
Option 1: 7:30 a.m.
Option 2: 7:00 p.m.
Option 3: 7:00 a.m.
Option 4: 6:00 a.m.
Correct Answer: 7:00 a.m.
Solution : Speed of thief = 57 km/h Speed of the owner = 76 km/h Relative speed with both going in the same direction = 76 – 57 = 19 km/h Distance travelled by the thief in 1 hour = 57 km Time the owner needs
Question : What is the Inter Tropical Convergence Zone (ITCZ)?
Option 1: A region with a high annual rainfall.
Option 2: A low-pressure zone located at the equator.
Option 3: A zone where air tends to descend.
Option 4: A high-pressure zone located at the equator.
Correct Answer: A low-pressure zone located at the equator.
Solution : The correct option is A low-pressure zone located at the equator.
Encircling the Earth close to the equator is a belt of low pressure known as the Inter-Tropical Convergence Zone (ITCZ). The trade winds from the northern and southern
Question : In which year was Gay-Lussac’s law of gaseous volumes given by Gay-Lussac?
Option 1: 1812
Option 2: 1800
Option 3: 1808
Option 4: 1802
Correct Answer: 1800
Solution : The correct option is 1808.
When we talk about Joseph Louis Gay-Lussac's law of combining volumes of gases, which was discovered in 1808 and published in 1809, we normally mean Gay-Lussac's law.
Question : Select the most appropriate meaning of the given idiom.
That ship has sailed
Option 1: To arrive early
Option 2: To reach safely
Option 3: Too late to do something
Option 4: Too extreme to follow
Correct Answer: Too late to do something
Solution : The correct choice is the third option.
Too late to do something is an idiom that means an opportunity that has been missed and is no longer available.
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