ENLA Secondary Practice (Peru) · Mathematics
Problem Solving in Mathematics
121 practice questions, each with the answer and an explanation.
All 121 questions
- What is 25% of 120?
- A jacket costs 250 soles. During a sale the price is reduced by 20%. What is the new price?
- In a class of 200 students, 6 come to school by bike. What percentage of the class is that?
- A bus travels at an average speed of 90 km/h for 0.25 hours. How far does it travel?
- A train covers 60 km at a constant speed of 40 km/h. How long does the journey take?
- A rectangle has sides of 6 cm and 5 cm. What is its area?
- A triangle has a base of 17 cm and a height of 4 cm. What is its area?
- A right triangle has legs of 9 cm and 12 cm. How long is the hypotenuse?
- A cuboid is 5 cm long, 7 cm wide and 4 cm high. What is its volume?
- Two angles of a triangle measure 35° and 64°. What is the third angle?
- What is the sum of the interior angles of a polygon with 9 sides?
- What is the mean of the numbers 14, 19, 13, 16, 8?
- What is the median of 19, 11, 18, 15, 35?
- A bag has 7 red, 8 blue and 3 green balls. One ball is drawn at random. What is the probability that it is red?
- Which expression equals ?
- What is ?
- What is the value of when ?
- Marta is 10 years old. Her mother is 4 times as old as Marta. How old will Marta's mother be in 6 years?
- A phone costs 200 soles. The shop raises the price by 10% and later lowers the new price by 25%. What is the final price?
- The sum of two numbers is 9 and their difference is 3. What is the larger number?
- Solve . What is ?