the
Two numbers are in ratio 8:3
If the sum of the
numbers is 146. find the numbers.
Answers
Answer:
1. Two numbers are in the ratio 8. 3. If the sum of the numbers is 143. find the numbers.
2.2/3of a number is 20 less than the original number. Find the number,
3. Four-fifths of a number is 10 more than two-thirds of the number. Find the number.
4. Twenty-four is divided into two parts such that 7 times the first part added to 5 times the
second part makes 146. Find each part.
5. Find the number whose fifth part increased by 5 is equal to its fourth part diminished by 5.
6. Three numbers are in the ratio of 4:5:6. If the sum of the largest and the smallest equals
the sum of the third and 55, find the numbers.
11. Two numbers are in the ratio 8. 3. If the sum of the numbers is 143. find the numbers.
2.2/3of a number is 20 less than the original number. Find the number,
3. Four-fifths of a number is 10 more than two-thirds of the number. Find the number.
4. Twenty-four is divided into two parts such that 7 times the first part added to 5 times the
second part makes 146. Find each part.
5. Find the number whose fifth part increased by 5 is equal to its fourth part diminished by 5.
6. Three numbers are in the ratio of 4:5:6. If the sum of the largest and the smallest equals
the sum of the third and 55, find the numbers.
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Answer:
Let the number be x.
Four-fifths of the number is (4/5)x
Two-thirds of the number is (2/3)x.
10 more than two-thirds of the number is (2/3)x +10.
Hence the given problem will be (4/5)x =(2/3)x +10
I.e., 4x/5 = 2x/3 +10
Multiply through out by 15 which is the LCM of 5and 3 we get
12x=10x+150
12x-10x = 150
2x = 150
x = 75
Hence the required number is 75