Explanation

2/?     =     ?/50

2/10   =    10/50

1/5     =    1/5

The answer is equal by putting value 10.

Explanation

Find how many man-days to complete the road:

70*35 = 2450 man-days

Let d = days required for 40 men to do it.

40d = 2450

d=402450​=61.25

Explanation

1 km = 0.62137119 miles

0.62137119 miles ∼ 0.62 miles

∴ 1 km = 0.62 miles

Additional Information

Miles to Kilometres = Miles × 8/5 (Approximately)

Kilometers to Miles = Km × 5/8 (Approximately)

Explanation

75.5 is an average of the first 150 natural numbers or positive integers

Sum of first 150 numbers

1+ 2 + 3 +4………………147 + 149 + 150 = 11325

Find average
11325/150 = 75.5

Explanation

80 percent of 700 is 560.

80 percent *700

= (80/100)*700

= (80*700)/100

= 56000/100 = 560

Explanation

Solution

• 13 ÷ 2 = 6, remainder 1

• 6 ÷ 2 = 3, remainder 0

• 3 ÷ 2 = 1, remainder 1

• 1 ÷ 2 = 0, remainder 1

Reading the remainders from bottom to top: 1101

So, 13 in binary = 1101.

Explanation

Explanation

If you divide a decimal by 10, the decimal point will move one place to the left.

0.7 / 10 = 0.07

Explanation

A polygon having 8 sides is called octagon.

A polygon having 10 sides is called decagon.

A polygon having 4 sides is called quadrilateral.

Explanation

1 metric ton = 1000 Kg.

1 Kg = 1000 gram.