Introduction to mental arithmetic answers
In this topic "mental arithmetic answers", we will see some questions on arithmetic, where the answer has to be obtained through mental calculations. This topic is a kind of mental exercise on arithmetic. You can calculate and check your answers with the answers given below every mental arithmetic questions. I like to share this What Does Arithmetic Mean with you all through my article.
Problems on Mental Arithmetic Answers
1. Write five prime numbers between 50 and 75.
[ Answer: 53, 59, 61, 67, 71]
2. Every prime number is odd except
[ Answer: 2]
3. What should be added to 40.09 to make it 51 dollars?
[ Answer: 10.91 dollars]
4. What is `9/50` of a dollar?
[ Answer: 0.18 dollars]
5. How many cm in 7 `1/4` m?
[ Answer: 725cm]
6. Give a number which is neither prime nor composite.
[ Answer: 1]
7. Provisions last for 14men for 2 weeks; how long will it last for one man?
[ Answer: 196 days]
More Problems on Mental Arithmetic Answers
8. Take away the sum of 99 and 99 from 1000.
[ Answer : 802]
9. 3/5 of a dollar + 1/8 of 2 dollar
[ Answer : 0.85 dollar or 85 cents]
10. 1 `1/2` hour after 4.15 pm
[ Answer : 5.45pm]
11. Which is greater `7/8 ` or `11/12` ?
[ Answer : `11/12` ]
12. How many grams in 6 `1/8` kg?
[ Answer : 6125 grams]
13. Simplify: 3 + `3/1000` + `2/10` + `4/100` .
[ Answer : 3.243]
14. 3/7 of 42 seconds.
[ Answer : 18 seconds]
Between, if you have problem on these topics Percentage Calculator Online, please browse expert math related websites for more help on prime numbers less than 1000.
More Problems on Mental Arithmetic Answers
15. A motor car travels 11 km in 1 liter of petrol. How many liters of petrol will be needed for a journey of 297 km?
[ Answer : 27 liters]
16. Two boys share 15 dollars. One of them takes 2/3 of it. How much the other get?
[ Answer : 5 dollars]
17. `2/5` of an hour is how many minutes?
[ Answer : 24 minutes]
18. What is the difference, in grams, between 2kg and 2900 grams?
[ Answer : 900 grams]
19. 2 men digging a hole in a road take 8 days to complete the work. How long would 4 men take?
[ Answer : 4 days]
20. A bus traveled for 4 hours at an average speed of 30 km/hr. How far has it travelled?
[ Answer : 120 km]
I believe that there would have been some mental exercise would have happen after going through this material.
In this topic "mental arithmetic answers", we will see some questions on arithmetic, where the answer has to be obtained through mental calculations. This topic is a kind of mental exercise on arithmetic. You can calculate and check your answers with the answers given below every mental arithmetic questions. I like to share this What Does Arithmetic Mean with you all through my article.
Problems on Mental Arithmetic Answers
1. Write five prime numbers between 50 and 75.
[ Answer: 53, 59, 61, 67, 71]
2. Every prime number is odd except
[ Answer: 2]
3. What should be added to 40.09 to make it 51 dollars?
[ Answer: 10.91 dollars]
4. What is `9/50` of a dollar?
[ Answer: 0.18 dollars]
5. How many cm in 7 `1/4` m?
[ Answer: 725cm]
6. Give a number which is neither prime nor composite.
[ Answer: 1]
7. Provisions last for 14men for 2 weeks; how long will it last for one man?
[ Answer: 196 days]
More Problems on Mental Arithmetic Answers
8. Take away the sum of 99 and 99 from 1000.
[ Answer : 802]
9. 3/5 of a dollar + 1/8 of 2 dollar
[ Answer : 0.85 dollar or 85 cents]
10. 1 `1/2` hour after 4.15 pm
[ Answer : 5.45pm]
11. Which is greater `7/8 ` or `11/12` ?
[ Answer : `11/12` ]
12. How many grams in 6 `1/8` kg?
[ Answer : 6125 grams]
13. Simplify: 3 + `3/1000` + `2/10` + `4/100` .
[ Answer : 3.243]
14. 3/7 of 42 seconds.
[ Answer : 18 seconds]
Between, if you have problem on these topics Percentage Calculator Online, please browse expert math related websites for more help on prime numbers less than 1000.
More Problems on Mental Arithmetic Answers
15. A motor car travels 11 km in 1 liter of petrol. How many liters of petrol will be needed for a journey of 297 km?
[ Answer : 27 liters]
16. Two boys share 15 dollars. One of them takes 2/3 of it. How much the other get?
[ Answer : 5 dollars]
17. `2/5` of an hour is how many minutes?
[ Answer : 24 minutes]
18. What is the difference, in grams, between 2kg and 2900 grams?
[ Answer : 900 grams]
19. 2 men digging a hole in a road take 8 days to complete the work. How long would 4 men take?
[ Answer : 4 days]
20. A bus traveled for 4 hours at an average speed of 30 km/hr. How far has it travelled?
[ Answer : 120 km]
I believe that there would have been some mental exercise would have happen after going through this material.
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