Explanation

• Animal cells do not have chloroplasts, as they are not capable of photosynthesis.
• Animal cells also do not have a cell wall, unlike plant cells and some other organisms.

The components of an animal cell:

• Cell Membrane
• Cytoplasm
• Small Vacuole
• Nucleus
• Chromosomes

Last verified on 18-03-2026

Explanation

• Chromosomes are structures that carry genetic material (DNA) in cells.
• In animal cells, chromosomes are located in the nucleus, which controls cell activities and heredity.
• Number of chromosomes in humans: 46 (23 pairs)

Last verified on 18-03-2026

Explanation

Sum of 5 numbers = 5 × 12 = 60

Sum of 4 numbers = 4 × 13 = 52

Fifth number = 60 - 52 = 8

Last verified on 18-03-202

Explanation

Let the ages be x, x+4, x+8

Sum = x + (x+4) + (x+8) = 42

3x + 12 = 42

3x = 30

x = 10

Age of youngest child = 10

Last verified on 18-03-2026

Explanation

The equation represents the total cost Bahadur pays, which includes the original price (x) plus the 4% tax (0.04x).

So, total cost = x + 0.04x = 1.04x

Last verified on 18-03-2026

Explanation

Diagonal of square = √2 × side

√72 = √2 × side

Side = √72 / √2 = √36 = 6m

Area = side² = 6² = 36m²

Last verified on 18-3-2026

Explanation

Let numbers be 7x and 5x.

7x - 5x = 18

2x = 18

x = 9

Numbers are 7x = 63 and 5x = 45

Smallest number = 45

Last verified on 18-03-2026

Explanation

Mean proportion between 9 and 16 is √9×16

= √144

= 12

Last verified on 18-03-2026

Explanation

Farzana's salary = 90,000

Irum's salary = 81,000

Nadia's salary = 72,000

Ratio:

90,000 : 81,000 : 72,000

Divide by 9,000:

10 : 9 : 8

Last verified on 18-03-2026

Explanation

Total ratio parts = 7 + 6 = 13

Men ratio = 6

Total employees = 104

Number of men = (6/13) × 104

= 6 × 8

= 48

Last verified on 18-03-2026