Let two parts are 100 - x and x

Then (100 - x)/4 = x/3 + 11

=> 25 - 4/x = x/3 + 11

=> 25 - 11 = x/3 + x/4

=> 14 = 7/12 x => x = 14 * (12 /7) = x

=> x = 24

=> 100 - 24 = 76

The two parts are 24 and 76

Then (100 - x)/4 = x/3 + 11

=> 25 - 4/x = x/3 + 11

=> 25 - 11 = x/3 + x/4

=> 14 = 7/12 x => x = 14 * (12 /7) = x

=> x = 24

=> 100 - 24 = 76

The two parts are 24 and 76

A flag

operate.

opera

rate

per

rat

at

ate

era

ope

op

a

What time will it last to fill the reservoir using all 4 taps at once?

1/72, the third tap 1/96 and the fourth tap fills 1/6 of the reservoir. That is all together

(6+4+3+48) / 288 = 61/288. The reservoir will be full in 288/61 hours, which is 4 hours

43 minutes and about 17 seconds.

How many birds were Flying?

x + (x/2) + 1 = 100

(2x + x)/2 = 99

3x = 198

x = 66

1st answer:

Total birds flying = x = 66

That is, if the bird who greeted them hello is just resting and not flying.

2nd answer:

Total birds flying = some birds + another flying bird who greeted them “hello"

Total birds flying = 66 + 1 = 67

What are they?

Leaves

What percentage at least must have studied all 4?

10%

70

75

85

+ 80

310 ÷ 3 = 100 remainder 10

A password.

For holding-up the pants.

What am I?

Path.