Explanation

12 men × 10 days = 120 man-days

To complete the same work in 8 days:

120 man-days ÷ 8 days = 15 men

Explanation

To find speed, convert the time to hours and distance to kilometers:

Time = 2 minutes 30 seconds = 2.5 minutes = 2.5/60 = 1/24 hours

Distance = 750 meters = 0.75 kilometers

Speed = Distance / Time

= 0.75 / (1/24) = 0.75 x 24

= 18 km/hr

Last updated 24-07-2026 by NA

Explanation

Explanation

To find the percentage of boys, divide the number of boys (56) by the total number of students (140), and then multiply by 100:

(56 ÷ 140) x 100 = 0.4 x 100 = 40%

So, the percentage of boys is 40%.

Explanation

1. Convert all fractions to a common denominator (8):

   • $\frac{3}{4}=\frac{6}{8}$

   • $\frac{5}{8}=\frac{5}{8}$

   • $\frac{1}{2}=\frac{4}{8}$

2. Perform the calculation:

   • $\frac{6}{8}+\frac{5}{8}-\frac{4}{8}=\frac{7}{8}$

3. Convert $\frac{7}{8}$ to decimal:

   • $\frac{7}{8}=0.875\approx 0.87$

Explanation

The series is formed by incrementing the Roman numerals by 3:

V (5) + 3 = VIII (8)

VIII (8) + 3 = XI (11)

XI (11) + 3 = XIV (14)

XIV (14) + 3 = XVII (17)

So, the next number in the series is XVII.

Explanation

The series is formed by adding 1, 2, 3, 4, 5, ... to the previous term, so the next difference should be 5, making the next term:

• 3 + 1 = 4
• 4 + 2 = 6
• 6 + 3 = 9
• 9 + 4 = 13
• 13 + 5 = 18

Therefore, the completed series is: 3, 4, 6, 9, 13, 18.

Explanation

Lodestar means روشن

Luminary means روشن

Explanation

Explanation

• English has total 26 letters.
• English has 5 vowels (a,e,i,o,u).
• English has 21 consonants.