14. The difference between two-thirds of a number and one-fourth of it is 50. Find the number.
15. The sum of two-consecutive odd numbers is 124. Find the bigger number.
Hint: Take two consecutive odd numbers as 2x + 1 and 2x + 3]
16. The ages of A and B are in the ratio 9 : 4. Seven years hence the ratio of their ages will be 5:3
present ages.
[Hint: Let ages of A and B be 9x years and 4x years]
17. The difference between 12 times the length and 10 times the length of a line is 120 cm. Taking t
the line to be x, find the length of the line in centimetres.
hoir If the cost of a table and a chair is 371, find
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Answer:
14.
Step-by-step explanation:
According to question:-
2X/3 - X/4 =50
= (8X - 3X) /12= 50
(L.c.m of 3 & 4= 12)
5X =12(50)
5X = 600
X= 600/5
X=120
Hence, the required number is 120
[Something to remember]
Two-third= 2/3
One-fourth = 1/4
Of = Multiply
/ = Division
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Answer:
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