Advertisements
Advertisements
प्रश्न
9 added to twice a number gives 13. Find the number.
Advertisements
उत्तर
Let the required number be x.
It is given that 9 added to twice this number gives 13.
∴ 2x + 9 = 13
⇒ 2x = 13 – 9 ...[Transposing 9 to RHS]
⇒ 2x = 4
⇒ `(2x)/2 = 4/2` ...[Dividing both sides by 2]
⇒ x = 2
Hence, the required number is 2.
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.
In a Mathematics quiz, 30 prizes consisting of 1st and 2nd prizes only are to be given. 1st and 2nd prizes are worth ₹ 2000 and ₹ 1000, respectively. If the total prize money is ₹ 52,000 then show that:
The total value of prizes in terms of x are ______.
If 5 is added to three times a number, it becomes the same as 7 is subtracted from four times the same number. This fact can be represented as ______.
If 10 is subtracted from half of a number, the result is 4.
Mohan is 3 years older than Sohan. The sum of their ages is 43 years.
A number divided by 2 and then increased by 5 is 9.
The sum of twice a number and 4 is 18.
The length of a rectangle is two times its width. The perimeter of the rectangle is 180 cm. Find the dimensions of the rectangle.
Radha got ₹ 17,480 as her monthly salary and over-time. Her salary exceeds the over-time by ₹ 10,000. What is her monthly salary?
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`
