Explanation

Arrange the study hours in ascending order: 0, 0, 3, 4, 4, 4, 5

There are 7 values, so the median is the 4th value.

The 4th value is 4 hours.

Last verified on 06-09-2026

Explanation

Let the son's present age = x years.

Mother's age = 5x years.

After 10 years:

5x + 10 = 3(x + 10)

5x + 10 = 3x + 30

2x = 20 → x = 10

Last verified on 06-09-2026

Explanation

Explanation

The sequence is repeating every 4 terms:

2, 3, 5, 8 | 2, 3, 5, 8 | ...

Since:

307 ÷ 4 = 76 remainder 3

So the 307th term corresponds to the 3rd term of the repeating pattern.

Answer: 5

Last verified on 06-09-2026

Explanation

A route-removal strategy eliminates selected traffic movements to reduce congestion.

The most direct sign of effectiveness is lower traffic density at major intersections.

Increased congestion or longer travel times would indicate the intervention is ineffective.

Last verified on 06-09-2026

Explanation

A number is decreased by 20%, so 80% of the original number remains.

80% = 240

100% = 240 × 100 ÷ 80

= 300

Last verified on 06-09-2026

Explanation

• Fossils from different rock layers provide evidence of changes in organisms over geological time.
• These changes support the concept of evolution.
• Therefore, the most logical conclusion is that species change over time.

Last verified on 06-09-2026

Explanation

No birds are mammals.

A sparrow is a bird.

Therefore, a sparrow is not a mammal.

Last verified on 06-09-2026

Explanation

• Happy means خوش
• Lucky means خوش قسمت

Last updated: 13-09-2026

Explanation