Advertisements
Advertisements
प्रश्न
If 45 is added to half a number, the result is triple the number. Find the number.
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:
Add 4 to eight times a number; you get 60.
Sachin scored twice as many runs as Rahul. Together, their runs fell two short of a double century. How many runs did each one score?
People of Sundargram planted trees in the village garden. Some of the trees were fruit trees. The number of non-fruit trees was two more than three times the number of fruit trees. What was the number of fruit trees planted if the number of non-fruit trees planted was 77?
In a bag there are 5 and 2 rupee coins. If they are equal in number and their worth is ₹ 70, then
The worth of x coins of ₹ 2 each ______.
A number divided by 2 and then increased by 5 is 9.
The interest received by Karim is ₹ 30 more than that of Ramesh. If the total interest received by them is ₹ 70, find the interest received by Ramesh.
The sum of three consecutive integers is 5 more than the smallest of the integers. Find the integers.
A girl is 28 years younger than her father. The sum of their ages is 50 years. Find the ages of the girl and her father.
Follow the directions and correct the given incorrect equation, written in Roman numerals:
Move one matchstick to make the equation valid. Find two different solutions.
What does a duck do when it flies upside down? The answer to this riddle is hidden in the equation given below:
If i + 69 = 70, then i = ? If 8u = 6u + 8, then u = ?
If 4a = –5a + 45, then a = ? if 4q + 5 = 17, then q = ?
If –5t – 60 = – 70, then t = ? If `1/4`s + 98 = 100, then s = ?
If `5/3`p + 9 = 24, then p = ______?
If 3c = c + 12, then c = ______?
If 3 (k + 1) = 24, then k = ______?
For riddle answer: substitute the number for the letter it equals
`()/1 ()/2 / ()/3 ()/4 ()/5 ()/6 ()/7 ()/8/()/4 ()/9`
