List of top Questions asked in WBJEE JENPAS UG

The clinic of a Doctor faces the West. From the backside of his clinic, he walks straight 100 metres then turn to the left and walks 100 metres again. Finally, he turns towards right and stops after walking 50 metres. Now in which direction is Doctor from the starting point?

Select the pair in which the numbers are similarly related as in the given pair :
5:35

How many moles of carbon makes 3.6 g of carbon ?

The mirror-image of WHITE is

In a class of 165 students, 45 students are passed in Mathematics as well as in English, whereas 60 students are failed in Mathematics and 65 students are failed in English. How many students are passed in exactly one subject?

When a spring is stretched by x amount, the potential energy stored in it is E. When the spring is stretched by another x amount, the potential energy stored in the spring becomes E'. Then \(\frac{E'}{E}\) is,

If dissociation constant of acetic acid is \(1.6×10^{-5}\), the hydrolysis constant of sodium acetate is

A conducting circular loop of radius 'a' and resistance R is kept on a horizontal plane. A vertical time-varying magnetic field B = 2t is switched on at time t = 0. Then which of the following statement(s) is/are correct?

The volume of a certain amount of ideal gas at 30°C and 200 cm of Hg pressure is 90 ml. The gas is expanded to 300 ml keeping the temperature constant, then the pressure of the expanded gas is

When a force \(\overrightarrow F = xy²\hat i + x²y\hat j N\) acts on a particle and moves it along a straight line from the origin to the point (4, 0), the work done is,

How many meaningful words can be formed using the first, the third, the fifth and the sixth letters of the word TRADEMARK using each letter only once in each word?

Let \(\overrightarrow r_P(t)=3t\hat i+4t²\hat j\) and \(\overrightarrow r_Q(t)=4t^2\hat i+3t\hat j\) represent the positions of particles P and respectively as function of time t. The relative speed of the two particles at the instant t = 1 sec will be [consider \(\overrightarrow r_P(t)\) and \(\overrightarrow r_Q(t)\) are in metres and t is in seconds]

Identify the erroneous part of the sentence:

A sentence is given in direct (indirect) speech. Select the alternative which best expresses the sentence in indirect (direct) speech:
He said, "I clean my teeth twice a day".

If BAG = 10, HIT = 32, then CAT = ?

The length of an object was measured to be 60 cm by a linear scale having least count 1 mm. What is the possible percentage error in the measurement?

Which of these protected areas are in West Bengal ?

If the rate of annual simple interest is \(11\frac{1}{2}\%\) , then how much money need to be deposited 2 to have ₹ 8,906 in total after 4 years?

In a first order reaction, the concentration of the reactant becomes 0.0625 of its initial concentration after 2 hours. The half-life of the reaction is given by

Choose the right option which will complete the first word and begin the second word.
E X(....) A C L E 

I. We should not unnecessarily defy the authority of an elected Government.
II. People in this village deify him for his extensive social service.
Consider the two words in bold italic in the above two sentences and select the correct option from below.

Select the sentence which is grammatically wrong:

Identify the erroneous part of the sentence:

A person bought mangoes at the rate of 45 for 10 mangoes. Then he sold them at the rate of ₹ 60 for a dozen mangoes. What will be his profit or loss percentage ?

Consider the two different situations X and Y of two concentric coils of N₁ and N₂ turns and radii R₁ and R₂ respectively as shown above. If the magnetic field at O in situation X is B_x and in situation Y is B_y then B_x−B_y is