Explanation

The nib is the topmost part of the pen.

Similarly, hospitals for patients

Explanation

55 percent *320 

=(55:100)*320

=(55*320):100 

=17600:100

= 176

ND18-9-2023

Explanation

The boat is to ship and the plane is to sky

Reason: A boat runs in the water while the plane flies in the sky.

Explanation

 a² - b²  = (a+b) (a-b)

Explanation

 A mechanic sees the machine.

Similarly, a doctor sees the patient.

ND18-9-2023

Explanation

Army is to soldier as navy is to sailor.

Reason – a soldier is a person who is engaged in military service  in the army,

similarly, a sailor  is a person serving in the navy

Explanation

3^x =243

3^x=3×3×3×3×3

3 ^x =3^5

Since bases are the same, we can equate the powers,

∴x=5

Explanation

Step 1 - The unitary method can be used in order to determine the total amount of yellow paint she needs to mix with 18 ounces of red paint to maintain the same proportion.

Step 2 - Let the total amount of yellow paint she needs be 'x'.

Step 3 - So, the value of 'x' can be calculated as:

x = 18/8 x 20

Step 4 - Simplify the above expression.

x = 45 ounces.

Explanation

 F2, E4, D8, C16, B32

2, 4, 8, 16….. Which is the multiplication of 2 with the previous number.

F, E, D, C, B, A….. Which is the reverse series of alphabets.

Combination of these two series we would get E4.

ND18-9-2023

Explanation

A branch, leaf, and root are all parts of a tree.

The dirt underneath is not a part of the tree.

ND18-9-2023