Correct Answer: Electrophoresis

Solution : The correct option is Electrophoresis.

Carbon particles in the air are colloidal particles, and they can be negatively charged. An electric field is applied to colloidal particles suspended in a liquid or gas during electrophoresis. These particles migrate towards the oppositely charged electrode due to

Correct Answer: Is the lesson prepared by her?

Solution : The correct choice is the second option.

Passive voice is the voice in which the object experiences an action rather than the person who performs the action. Hence, the object in the active sentence becomes the subject in the passive

Correct Answer: Lux Meter

Solution : The answer is Lux meter.

A lux Meter operates by detecting light—the perceived intensity of brightness to the human eye. It accomplishes this by utilising a photosensitive cell. In the International System of Units (SI), the lux serves as the standard unit for

Correct Answer: 30%

Solution : Given: selling price = INR 2200
Let the cost price of the article be $x$.
According to the question,
$x × \frac{110}{100} = 2200$
⇒ $x = 2000$
⇒ Cost price = INR 2000
Now, New selling price = INR 2600
New profit = 2600

Correct Answer: 1960

Solution : The correct answer is 1960.

The first Paralympic Games were held in 1960. These games were organised in Rome, Italy.

The Paralympics are an international multi-sport event for athletes with disabilities. It has since grown to become one of the largest sporting events in the

Correct Answer: 2.4

Solution : Given: 0.06% of 250% of 1600
= $\frac{(1600×250×0.06)}{(100×100)}$
= $\frac{(16×6)}{40}$
= $\frac{24}{10}$
= 2.4
Hence, the correct answer is 2.4.

Correct Answer: (64, 5, 3)

Solution : Given:
(144, 9, 3); (225, 7, 8)

The square of the sum of the second and third numbers is equal to the first number –
⇒ (144, 9, 3)→(9 + 3)² = 12²; 12² = 144
⇒ (225, 7,

Correct Answer: 112

Solution : The ratio of red, blue, and green pens = 7 : 4 : 9
Total number of pens = 320
Let the number of red, blue, and green pens be $7x, 4x$, and $9x$ respectively.
⇒ $7x+4x+9x = 320$
⇒ $20x = 320$
⇒ $x

Correct Answer: ÷, ×, +, =, –

Solution : Given:
56 * 8 * 4 * 7 * 50 * 15

Let’s check the options –
First option: +, =, ÷, ×, +
⇒ 56 + 8 = 4 ÷ 7 × 50 + 15
L.H.S. = 56 + 8

Correct Answer: PYETLEC

Solution : Given:
YO_LECT_OPL_C_YOP__CTYOPLE_T

To fill the series we have to divide the series – YO_LECT / _OPL_C_ / YOP__CT / YOPLE_T

Let's check each option –
First option: PEYTELC; YOPLECT / EOPLYCT/ YOPELCT / YOPLECT