Time - practice problems - page 5 of 141
Number of problems found: 2813
- Two sides 2
Two sides of a triangle are 12 and 15, and the perimeter is 40. Find the other side. - The melon
There was 1 3/6 melon left for dinner. At dinner time, the family ate 4/6 of the melon. What part of the melon was left for the next meal? - Three men
If three men can do a job in 8 days, how many men can do the same job in 6 days? - Giraffe 2
The lifespan of a guinea pig is six years less than that of a giraffe. The lifespan of a tiger is four times that of a guinea pig. If the total lifespan of the animals is 30 years, calculate the longevity of the giraffe. - Seven
Seven dwarfs will cut 420 stumps in 15 hours. After five hours, the two dwarves disappear discreetly. How many hours will the remaining dwarves complete the task? - The swallow
The swallow will fly 2.8 km per minute. How many km will the swallow fly in one hour? - I drive
I drive 9 km in 30 minutes. What is the average speed of the motion? - Age ratio
Janko is 14 years old. The age ratio of Janka and Zuzka is 2:3. What was the ratio seven years ago? - Break time
Calculate how much percent of school time is spent on breaks. Calculate data for the whole week. - Free fall
The free fall body has gone 10m in the last 0.5s. Find the body speed at the moment of impact. - Father and son
Father is 48 years old, and the son is 23. When will the father be twice as older as a son? - The machine
The machine was in operation for nine-tenths (in a fraction) of eight hours of working time. How long has he been running? - The father
The father is 36 years old. The son is six years old. How many years will a father be three times older than a son? - Apprentice
The worker and apprentice execute the work for 6 hours. The worker performs himself in 10 hours. How long do the work of an apprentice? - Minutes
Write as a fraction in the basic form, which part of the week is 980 minutes. - Coins
On coins found was stated that from the year 87 BC. Is it right? - Chords
How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones? - Equally 83095
John and Joseph carved the garden in 6 days. If an equally fast George joined them, how many days would it take them? - Bigger 81145
In 10 years, the teddy bear will be three times bigger than it is today. How old is the teddy bear now? - Minutes 5573
What takes longer? (a) 0.31 an hour or 31 minutes b) 0.25 hours or 15 minutes c) 0.85 minutes or 50 seconds?
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