Numbers - math word problems
In the arithmetic sequence is given: Sn=2304, d=2, an=95 Calculate a1 and n.
One half of rope use Mam for packaging, half of the rest got son, half of the rest he took father and two fifths of what remained, got daughter. Remained 143 cm of rope. How long was rope at the beginning?
In the market have 3 kinds of chocolates. How many ways can we buy 14 chocolates?
- Percentages above 100%
What is 122% of 185? What is the meaning of percentages above 100%?
Area of a square garden is 6/4 of triangle garden with sides 56 m, 35 m, and 35 m. How many meters of fencing need to fence a square garden?
- Rhombus ABCD
Rhombus ABCD, |AC| = 90 cm, |BD| = 49 cm. Calculate the perimeter of the rhombus ABCD.
- Cube zoom
How many percents do we increase the volume and surface of the cube if we magnify its edge by 38 %?
The rectangle is 21 cm long and 38 cm wide. Determine the radius of the circle circumscribing rectangle.
- Two cars
Two cars started against each other at the same time to journey long 346 km. The first car went 53 km/h and the second 53 km/h. What distance will be between these cars 20 minutes before meet?
- No. of divisors
How many different divisors have number ??
Kate ran 170 meters at 29.8 seconds, Suzan at 29.3 seconds, Roza at 34 seconds and Žofka at 30.4 seconds. How long took to run 4x170 m relay-race?
How much metal is needed for production 60 pieces of gutter pipes with the diameter 17 cm and length of 6 m? The plate bends add 6% of the material.
One meter of the textile was discounted by 2 USD. Now 9 m of textile cost as before 8 m. Calculate the old and new price of 1 m of the textile.
Gross weight of shipment is 6927 kg and its tare is 7%. Calculate the net weight of the shipment.
If an airplane flies 776 km/h for 7.4 h, how far does it travel?
What is the slope of a line with an inclination 6.06 rad?
Mix 68 l of water with temperature of 87 °C, 17 l warm of 42 °C and 55 l water of 50 °C. What is the temperature of the mixed water immediately after mixing?
Gross wage was 527 EUR including 16% bonus. How many EUR were bonuses?
Cherries in the bowl can be divided equally among 19 or 13 or 28 children. How many is the minimum cherries in the bowl?
The clock shows 12 hours. After how many minutes will angle between the hour and minute hand 90°? Consider the continuous movement of both hands hours.