# Natural numbers + rational numbers - math problems

#### Number of problems found: 19

• Boys and girls If the ratio of male & female teachers is 2/5 & it is in proportion of the male & female students, how many are girls if there are 42 boys?
• Brian Brian divides 80 by 7. Between what two whole numbers is his answer?
• Even/odd numbers What is the product of 0.97 and the next odd decimal number?
• What is 11 What is the quotient of Three-fifths and 1 Over 10?
• Fraction to decimal infinite Determine which digit is at 1000th place after the decimal point in the decimal expansion of the fraction 9/28.
• Tenths digit For 10.932, which digit is in the tenths place?
• Year 2020 The four-digit number divided by 2020 gives a result of 1, **. (Can not be in form 1,*0. ) Write all the options.
• Sum and ratio The sum and ratio of two numbers is equal to 10. Which numbers are they?
• Boats Three-quarters of boats are white, 1/7 are blue and 9 are red. How many boats do we have?
• My father My father has a big farm. 6/8 of it were planted with mango trees, 1/2 of the remainder are guava trees and the rest 10 trees are santol trees. What is the number of all trees?
• Closest natural number Find the closest natural number to 4.456 to 44.56 and 445.6. 1st blade 2,5 m, 2nd blade. .1.75 m. How many same long pieces of this two blades can be do the biggest? How long is one piece?
• Cash back After a trip 24 students have left more than 650 but less than 690 CZK (Kc). How much each student receives return when the amount is divisible by the number of pupils?
• Fraction Fraction frac(0, overline(38))(0,38) write as fraction a/b, a, b is integers numerator/denominator.
• Diophantus We know little about this Greek mathematician from Alexandria, except that he lived around 3rd century A. D. Thanks to an admirer of his, who described his life through an algebraic riddle, we know at least something about his life. Diophantus's youth las
• Four pupils Four pupils divided \$ 1485 so that the second received 50% less than the first, the third 1/2 less than a fourth, and fourth \$ 154 less than the first. How much money had each of them?
• Camp In the camp are children. 1/2 went on a trip, 1/4 went to bathe, and 38 children remained in the room. How many children are in the camp?
• Homework In the crate are 18 plums, 27 apricot and 36 nuts. How many pieces of fruit left in the crate when Peter took 8 ninth: 1. nuts 2. apricots 3. fruit 4. drupe
• Cubic Convert 660 m3 of natural gas volume to energy units kWh. Combustion of 1 cubic meter of natural gas is released energy 10.55 kWh.

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Natural numbers - math problems. Rational numbers - math problems.