Advertisements
Advertisements
प्रश्न
Solve: x – 30% of x = 35
उत्तर
x – 30% of x = 35
⇒ x - `30/100 xx "x" = 35`
⇒ `(100"x" - 30"x")/100 = 35`
⇒ 100x - 30y = 35 × 100
⇒ 100x - 30x = 3500
⇒ 70x = 3500
⇒ x = `3500/70 = 50`
∴ x = 50
APPEARS IN
संबंधित प्रश्न
Solve the following equation:
x + 5 = 10
Solve the following equation:
x – 5 = 8
Solve the following equation:
1.3b = 39
Solve the following equation:
2b – 14 = 8
9 + m = 6m + 8 – m
Solve: `"x"/5 + "2x" = 33`
Solve: `"3a"/4 + "a"/6 = 66`
Solve: `("2x" - 3)/3 - ("x" - 5) = "x"/3`
Solve the following equation for the unknown: `(9y)/(4) - (5y)/(3) = (1)/(5)`
Solve the following equation for the unknown: `(2"m")/(3) - "m"/(2)` = 1
Solve the following equations for the unknown: `(7)/(x - 2) - (5)/(3)` = 3, x ≠ 2
Solve the following equations: a(x - 2a) +b (x - 2b) = 4ab
Solve the following equations: a(x - b) -b (x - a) = a2 - b2
Find the number which, when added to its half, gives 60.
Two numbers are in the ratio 2:3. If their sum is 150, find the numbers
A and B together can do a piece of work in 4 days, but A alone can do it in 12 days. How many days would B alone take to do the same piece of work?
In a factory a worker is paid Rs. 20 per hour for normal work and double the rate for overtime work. If he worked for 56 hours in a week, find the number of hours of his normal work if he receives Rs. 1440 in all.
A boy played 100 games, gaining Rs. 50 on each game that he won, and losing Rs. 20 for each game that he lost. If on the whole he gained Rs. 800, find the number of games that he won.
In a shooting competition a marks man receives 50 paise if he hits the mark and pays 20 paise if he misses it. He tried 100 shots and was paid Rs 29. How many times did he hit the mark?
In an election there were two candidates. A total of 9791 votes were polled. 116 votes were declared invalid. The successful candidate got 5 votes for every 4 votes his opponent had. By what margin did the successful candidate win?