Advertisements
Advertisements
प्रश्न
One of the two numbers is twice the other. The sum of the numbers is 12. Find the numbers.
Advertisements
उत्तर
Let x be one of the numbers.
Then, other number is twice the first one = 2x
According to the question,
x + 2x = 12
⇒ 3x = 12
⇒ `(3x)/3 = 12/3` ...[Dividing both sides by 3]
⇒ x = 4
Hence, the numbers are x = 4 and 2x = 2 × 4 = 8.
APPEARS IN
संबंधित प्रश्न
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 ______.
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 equation formed is ______.
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 number of 1st prizes are ______ and the number of 2nd prizes are ______.
Mohan is 3 years older than Sohan. The sum of their ages is 43 years.
After 25 years, Rama will be 5 times as old as he is now. Find his present age.
In a family, the consumption of wheat is 4 times that of rice. The total consumption of the two cereals is 80 kg. Find the quantities of rice and wheat consumed in the family.
In a bag, the number of one rupee coins is three times the number of two rupees coins. If the worth of the coins is ₹ 120, find the number of 1 rupee coins.
The sum of two consecutive multiples of 2 is 18. Find the numbers.
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?
