Real numbers - practice problems
Number of problems found: 119
- Decimal number
I am a decimal number between 0.3 and 0.5 . the digit in my hundredths place is 5 more than the digit in tenth place, off the number in tenth place is 4. what is the number? - Which 8
Which among the following real numbers below is the least? A. 5/8 B. 0.75 C. 7/10 D. 35/99 - Two midpoints
Point A is on a number line halfway between -17 and 5 . Point B is halfway between Point A and 0. What integer does Point B represent? - Complex plane mapping
Show that the mapping w = z +c/z, where z = x+iy, w = u+iv and c is a real number, maps the circle |z| = 1 in the z-plane into an ellipse in the (u, v) plane. - Rajendra
Rajendra a farmer had two sons and two daughters. He decided to divide his property among his sons and daughters. So he wrote a "WILL" about distribution of his property. According to his "WILL", he desired to give 3/5 th of the property to his sons in eq - Chose
Chose Juan bought three pieces of watermelon. If the weights of the three watermelons are 2.2103 kilograms, 3.0214 kilograms, and 2.6682 kilograms how many kilograms of watermelons did Chose Juan buy? - The expression
What is the value of the expression ((62+60))/(23) - Evaluate 18
Evaluate the expression (-4-7i)-(-6-9i) and write the result in the form a+bi (Real + i* Imaginary). - The sum 15
The sum of the real numbers x and y is 24. Their difference is 12. What is the value of xy? - Sum and product
The sum of the real numbers x and y is 12. Their difference is 8. What is the value of xy? - Bubble bee marbles
Mark has 100 marbles. Seventeen are bubble bee marbles. What decimal number shows the fraction of marbles that are bumblebees? - Items
Items Acosts 675.35 while item B costs 1605.25. by how much more was the cost of item B than item A. If item A and B will be purchased, how much would are pay? - Sorting ASC
Which group of decimals is in order from least to greatest? A) 1.04, 0.39, 0.8, 2.1, 0.09 B) 2.1, 1.04, 0.39, 0.8, 0.09 C) 0.09, 0.39, 0.8, 1.04, 2.1 D) 0.09, 0.39, 0.8, 2.1, 1.04 - The sum 10
The sum of the three decimals is 938.629. Two of them are 456.54 and 392.69. Find the third one. - An aquarium
An aquarium tank that measures 2.4 m high, 6 m long, and 1.5 m wide and is completely filled with water. The density of water is 1,000 kg/m³. What is the mass of the water in the tank? - Josh works
Josh works mowing lawns and babysitting. He earns $7.20 an hour for mowing and $6.80 an hour for babysitting. How much will he earn for 1 our of mowing and 6 hours of babysitting? - Necklaces
Mohammad sells beaded necklaces. Each large necklace sells for $4.50 and each small necklace sells for $4.10. How much will he earn from selling 5 large necklaces and 4 small necklaces? - ZOO 2
Valerie bought tickets to the zoo for the family. She bought three adult tickets for $9.50 each and two children's tickets for $4.50 each. How much did the tickets cost Valerie in all? - A bottle 2
A bottle contain 255 coins 1/3 of the coins are £1 cons 110 of the coins are 50p coins the rest of the coins are 20p coins. What is the total value of the coins contained in the bottle. - Fruit punch 2
Alberto makes fruit punch with 24.2 ounces of apple juice and 18.4 ounces of pineapple juice. He splits the fruit punch equally into 6 glasses. How much fruit punch is in each glass?
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