Correct Answer: 125 metres

Solution : Given:
A train can completely cross a 100-metre-long bridge in 15 seconds.
It can completely cross another 1300-metre-long bridge in 19 seconds.
Let the length of the train $x$.
According to the question,
$\frac{(100+x)}{15} = \frac{(1300+x)}{19}$
$\Rightarrow 19000+19x = 19500 + 15x$
$\Rightarrow 4x

Correct Answer: Foreign Direct Investment

Solution : The correct answer is Foreign Direct Investment.

Foreign Direct Investment aids in breaking up domestic monopolies and fostering competition. The Foreign Exchange Management Act (FEMA), put into effect by the then-Finance Minister, Dr. Manmohan Singh, allowed for the introduction of Foreign Direct Investment

Correct Answer: 2

Solution : The sentence can be improved using the second option.

"Does" is the third-person singular form of the auxiliary verb "do". Observe that the first part of the sentence is in the present tense. We must maintain the same tense throughout the sentence. "Does not exist"

Correct Answer: Rs. 179

Solution : Given: Bill amount = Rs. 400
After giving successive discounts of 15% and 35%,
The bill amount becomes = $400×\frac{85}{100}×\frac{65}{100}=221$
So, discount amount = 400 – 221 = Rs. 179
Hence, the correct answer is Rs. 179.

Correct Answer: Rudra Veena

Solution : The correct answer is Rudra Veena.

Asad Ali Khan was an accomplished Indian musician renowned for his mastery of the Rudra Veena, a plucked string instrument. Specialising in the dhrupad style, Khan earned acclaim as the preeminent Rudra Veena player in India, a

Correct Answer: No improvement required

Solution : The first option is the correct answer.

The sentence is grammatically correct and effectively conveys the idea that grammar is a natural function of children's brains, and they apply it to whatever they find. The structure and they apply it to is clear

Correct Answer: 20

Solution : The difference between marks obtained by boys and girls in all subjects, L1 = (60 + 80 + 140 + 120 + 100) – (120 + 100 + 40 + 60 + 40)
⇒ L1 = 500 – 360 = 140
$\text{Average}=\frac{\text{Sum of all the

Correct Answer: 5400

Solution : Given: The population of a village decreases at the rate of 40% per annum. The population 2 years ago was 15,000.
The previous population ($x$) = 15000
The decrease rate ($r$) = 40%
Time ($t$) = 2 years
So, the present population = $x(1-\frac{r}{100})^2$
=

Correct Answer: Gulf stream

Solution : The correct answer is the Gulf Stream.

The Gulf Stream is a warm ocean current. It is a powerful and swift Atlantic Ocean current that originates in the Gulf of Mexico, flows up the eastern coast of the United States and then heads

Correct Answer: 96 cm²

Solution : Given,
$\triangle \mathrm{ABC}\sim \triangle \mathrm{DEF}$
$\mathrm{BC}=3 \mathrm{~cm}, \mathrm{EF}=4 \mathrm{~cm}$ and the area of $\triangle \mathrm{ABC}=54 \mathrm{~cm}^2$
⇒ $\frac{area(\triangle{ABC})}{area(\triangle{DEF})}=\frac{BC^2}{EF^2}$
⇒ $\frac{54}{area(\triangle{DEF})}=\frac{3^2}{4^2}$
⇒ $\frac{54}{area(\triangle{DEF})}=\frac{9}{16}$
⇒ $area(\triangle{DEF})=\frac{54\times16}{9}$
⇒ $area(\triangle{DEF})=96$ cm$^2$
Hence, the correct answer is 96 cm$^2$