Advertisements
Advertisements
प्रश्न
If you subtract `1/2` from a number and multiply the result by `1/2`, you get `1/8`. What is the number?
Advertisements
उत्तर
Let the number be x. According to the question,
`(x - 1/2) xx 1/2 = 1/8`
On multiplying both sides by 2, we obtain
`(x - 1/2) xx 1/2 xx 2 = 1/8 xx2`
`x - 1/2 = 1/4`
On transposing `1/2` to R.H.S, we obtain
`x = 1/4 + 1/2`
= `(1+2)/4 = 3/4`
Therefore, the number is `3/4`
संबंधित प्रश्न
The perimeter of a rectangular swimming pool is 154 m. Its length is 2 m more than twice its breadth. What are the length and the breadth of the pool?
Solve the following equation and check your result:
4z + 3 = 6 + 2z
Solve the following equation and check your result:
8x + 4 = 3(x − 1) + 7
If 6x = 18, then 18x = 54
Solve the following:
`(0.2x + 5)/(3.5x - 3) = 2/5`
Solve the following:
10x – 5 – 7x = 5x + 15 – 8
Solve the following:
`x/2 - 1/4(x - 1/3) = 1/6(x + 1) + 1/12`
Solve the following:
`(3t - 2)/3 + (2t + 3)/2 = t + 7/6`
Solve the following:
0.16(5x – 2) = 0.4x + 7
If `1/2` is subtracted from a number and the difference is multiplied by 4, the result is 5. What is the number?
