The correct answer is option 3 i.e. 156.

By using the BODMAS rule:

=  26% of 50 + 74% of 200 - 25/4 ÷ 5/4

= 26/100 × 50 + 74/100 × 200 - 25/4 × 4/5

= 13 + 148 - 5

= 156

The correct answer is option 3 i.e. 32 - 666

Logic: (First number × 18) + 92 = Second number

25 - 542 ⇒ (25 × 18) + 92 = 542

14 - 344 ⇒ (14 × 18) + 92 = 344

32 - 666  ⇒ (32 × 18) + 92 = 668 Not equal 666

18 - 416  ⇒ (18 × 18) + 92 = 416

The correct answer is option 3 i.e MUI

Given series: EQM, GRL, ISK, KTJ, ?

E + 2 = G, G + 2 = I, I + 2 = K, K + 2 = M

Q + 1 = R, R + 1 = S, S + 1 = T, T + 1 = U

M - 1 = L, L - 1 K, K - 1 = J, J - 1 = I

Hence, the correct answer is MUI.

The correct answer is Option 3 i.e. Only I follows.

The given premise depicts the problem of the ever-increasing number of vehicles on the roads of City A, which is leading to long lines of vehicles and frustrated drivers.

Statement I suggests investing in public transportation and promoting it as an effective alternative to private vehicles. This is an appropriate course of action as it will result in fewer people using private vehicles, which in turn will lead to a decrease in the number of privately owned vehicles.

Statement II is not an appropriate course of action because it is impractical. The demolition of houses is a cumbersome process that includes many operational and ethical challenges.

Hence, the correct answer is Only I follows.

The correct answer is Option 3 i.e. An atom with all paired electrons is diamagnetic.

Diamagnetic materials are characterized by having all electrons paired, resulting in no net magnetic moment. Therefore, they are repelled by a magnetic field. In contrast, paramagnetic materials have one or more unpaired electrons, which align with a magnetic field and are attracted to it. Thus, an atom with unpaired electrons cannot be diamagnetic and is instead paramagnetic. This distinction is crucial in understanding atomic magnetic properties.

The correct answer is Option 3 i.e. Becquerel.

The SI unit of radioactivity, representing the activity of a quantity of radioactive material, is named after Henri Becquerel, a French physicist who discovered radioactivity in 1896. The unit is called the 'becquerel' (Bq), defined as one radioactive decay event per second. It quantifies the rate of radioactive decay in a substance. This unit honours Becquerel's pioneering work in the field of radioactivity, which laid the foundation for further research in nuclear physics and medicine.

The correct answer is Option 3 i.e. The object's acceleration varies with time.

In a non-uniform force field, the force acting on the object changes with position and/or time. Since acceleration is directly proportional to the net force acting on an object (as per Newton's second law of motion), the changing force results in a varying acceleration. This variability means the object does not have a constant acceleration and its motion cannot be uniform or constant in terms of speed or acceleration.

The correct answer is option 1 i.e. Producing mucus to trap dust and pathogens.

• The mucous membrane lining the respiratory tract secretes mucus, which traps dust, pathogens, and other particles.
• This helps to protect the delicate tissues of the lungs from damage and infection.
• Regulation of blood pH (B) occurs primarily through gas exchange in the alveoli, while bronchioles' constriction or dilation (D) is controlled by smooth muscle and nervous system signals.

The correct answer is Option 3 i.e. 9720.

The LCM of 18, 24 and 30 is 30 × 3 × 4 = 360

Dividing the largest 4-digit number by 360 leaves a remainder of 279.

Hence, the correct answer is 9999 - 279 = 9720

The correct answer is Option 4 i.e. Bande Mataram.