Explanation

S.P. = 470 & Loss %= 6%

C.P. = 100 * S.P. / (100 - Loss) = 100*470/100–6

= 100*470/94

C.P. = 464

Now C.P. = 464. & Profit% = 8%

S.P. = C.P. * (100+8) /100 = 464*108/100

S.P. = 500

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ND20-1-2023

100×470÷94 this would be 500 not 464 correct option would be 540

500 original value after recovering of 6% loss Now get 8% profit it's value become 540. Because 8% of 500 is 40. The price would be 540 and profit is 8%.

Explanation

Protocols are a set of rules for transmitting data

while

A switch is a device in a computer network that connects other devices together.

A router is a that connects two or more packet-switched networks or subnetworks.

 A gateway, as the name suggests, is a passage to connect two networks

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ND24-1-2023

Explanation

 To get 18000 as ans, sell price shoul be 15000 not 1500

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ND20-1-2023

Explanation

Time is taken by 28 men to finish the work = 15 days

Time taken by a man to finish the work = 15 × 28 days

Time taken by 21 men = (15 × 28) ÷ 21

                                       = 420 ÷ 21

Explanation

The ratio of boys to girls is 3:2

The number of the boys = 3x

The number of girls =2x

The number of boys + the number of girls = the total no. of students

3x + 2x = 80

The equation for x is 

5x = 80

X = 80 / 5

X = 16

Explanation

= 0.20 %

= 0.20/100

= 2/1000

= 1/ 500

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ND22-1-2023

Explanation

Equipments is a wrong word.

The noun equipment does not have a plural form.

Equipment means سامان 

AGM 2101 23

Explanation

Mechanical means مشینری سے متعلق

AGM 2101 23

Explanation

Lord Curzon divided Bengal into two provinces on 16-10-1905

on October 16, 1905, by Lord Curzon, the British colonial administrator of India at the time

The partition of Bengal was the most important event during the rule of Lord Curzon

The province was divided into West Bengal, which had a majority of Hindus,

and East Bengal, which had a majority of Muslims

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ND22-1-2023