Advertisements
Advertisements
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.
उत्तर
Let the number be x.
8 times of this number = 8x
8x + 4 = 60
8x = 60 − 4 ...(Transposing 4 to R.H.S.)
8x = 56
Dividing both sides by 8
`(8x)/8 = 56/8`
x = 7
APPEARS IN
संबंधित प्रश्न
In an isosceles triangle, the base angles are equal. The vertex angle is 40°. What are the base angles of the triangle? (Remember, the sum of three angles of a triangle is 180°).
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 test Abha gets twice the marks as that of Palak. Two times Abha's marks and three times Palak's marks make 280.
Marks obtained by Abha are ______.
Subramaniam and Naidu donate some money in a Relief Fund. The amount paid by Naidu is ₹ 125 more than that of Subramaniam. If the total money paid by them is ₹ 975, find the amount of money donated by Subramaniam.
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.
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.
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?
If one side of a square is represented by 18x – 20 and the adjacent side is represented by 42 – 13x, find the length of the side of the square.
