Advertisements
Advertisements
प्रश्न
A number is as much greater than 21 as it is less than 71. Find the number.
उत्तर
Let the two nos be x and y
Then, as per the question,
x - 21 = 71 -x
⇒ 2x = 92
⇒ x = 46.
APPEARS IN
संबंधित प्रश्न
Solve the following equation:
`("x"+2)/9 = ("x" + 4)/11`
4x – 5x + 2x = 28 + 3x
The sum of twice a number and 4 is 80, find the number.
The difference between a number and one- fourth of itself is 24, find the number.
Solve the following equation for the unknown: `(4x)/(27) = (8)/(9)`
Solve the following equations for the unknown: `(3)/(x + 1) - (x - 6)/(x^2 - 1) = (12)/(x - 1)`
A takes 4hours more than B in walking 30 km. If A doubles his speed, he will take 1hr less than B. Find the speeds of A and B.
The age of a man is three times the age of his son. After 10 years, the age of the man will be double that of his son. Find their present ages.
Tap A can empty a tank in 6 hours. Tap A along with Tap B together can empty the tank in `3(3)/(7)" hours"`. Find the time Tap B alone will take to empty the tank.
What number increased by 8% of itself gives 1620?
