Correct Answer: 2 km/hr

Solution : Let the downstream speed of the boat = $u$ km/hr and the upstream speed of the boat be $v$ km/hr, then the Speed of current = $\frac{u-v}{2}$
According to the question,
$\frac{18}{u} +\frac{12}{v}=3 $ (equation 1)
$\frac{24}{u} +\frac{36}{v}=\frac{13}{2} $ (equation 2)
Multiply by 3

Correct Answer: Interdiction

Solution : The correct option is the fourth option.

Explanation:
Consent refers to the approval or permission for something to happen or proceed. In this context, interdiction aligns most closely with the opposite meaning of granting permission or consent, as it implies a prohibition or restriction on

Correct Answer: Estate duty

Solution : The correct option is Estate duty.

One term used to describe an inheritance tax is "estate tax." The government imposes an estate tax on assets granted to beneficiaries upon the death of the original owner, including money, real estate, and investments. The inherited assets

Correct Answer: Two neurons

Solution : The correct option is Two neurons

The term "synaptic gap" or "synaptic cleft" refers to the small space or gap that exists between one neuron's synaptic terminal and the dendrites or cell body of another neuron. It is a necessary component of the

Correct Answer: C, Rs. 250

Solution : The amount each person received when the sum was mistakenly distributed in the ratio = 2 : 3 : 4
The total parts in the ratio = 2 + 3 + 4 = 9
The amount each person should have received if the

Correct Answer: 360

Solution : Given:
3, 6, 18, 72, ?, 2160 

Multiply each previous term by a consecutive natural number starting from 2.
3 × 2 = 6; 6 × 3 = 18; 18 × 4 = 72; 72 × 5 = 360; 360 × 6 = 2160

So,

Correct Answer: 18 + 2 × 6 ÷ 3 – 7 = 50

Solution : Given:
÷ and +

Interchange the given signs in the options one by one with the original signs in the given equation.
First option: 8 + 4 × 5 ÷ 2 – 6 = 7

Correct Answer: (3)

Solution : The correct choice is the third option.

The preposition "to" should be used instead of "for" because "to" is used for a location or destination.

Therefore, the correct sentence is: Just as I was entering the room the family was going to a party.

Correct Answer: Pteridophytes

Solution : The correct option is Pteridophytes.

Pteridophytes include ferns, horsetails (which are sometimes mistaken for ferns), and lycophytes, which include clubmosses, spikemosses, and quillworts. But ferns (and horsetails) are more closely related to seed plants than to lycophytes. Hence, they do not constitute a monophyletic

Correct Answer: (1)

Solution : The sentence can be improved using the first option​​​​​.

Gruesome means extremely disturbing or unpleasant in a particularly violent way, which fits the context of a murder. It is the correct choice because it provides a more appropriate adjective to describe the nature of