Advertisements
Advertisements
प्रश्न
If 45 is added to half a number, the result is triple the number. Find the number.
Advertisements
उत्तर
Let x be the number.
Then, half of the number is `x/2`.
According to the question,
`x/2 + 45 = 3x`
⇒ `(x + 90)/2 = 3x`
⇒ x + 90 = 6x
⇒ `x = 90/5 = 18`
Hence, the number is 18.
APPEARS IN
संबंधित प्रश्न
Set up equation and solve them to find the unknown number in the following case:
If I take three-fourths of a number and add 3 to it, I get 21.
Irfan says that he has 7 marbles more than five times the marbles Parmit has. Irfan has 37 marbles. How many marbles does Parmit have?
In a bag there are 5 and 2 rupee coins. If they are equal in number and their worth is ₹ 70, then
There are ______ 5 rupee coins and ______ 2 rupee coins.
One-fifth of a number is 5 less than that number.
Six times a number is 10 more than the number.
Two times a number increased by 5 equals 9. Find the number.
One of the two numbers is twice the other. The sum of the numbers is 12. Find the numbers.
Two complementary angles differ by 20°. Find the angles.
In a certain examination, a total of 3768 students secured first division in the years 2006 and 2007. The number of first division in 2007 exceeded those in 2006 by 34. How many students got first division in 2006?
The given figure represents a weighing balance. The weights of some objects in the balance are given. Find the weight of each square and the circle.
