Advertisements
Advertisements
प्रश्न
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.
उत्तर
From the weighing balance, we have
= ∗ + 
⇒ = 4 + ...(i)
And 
+ = + I + + + ∗
⇒ 20 + 20 = 2 + 14 + + 4
⇒ 40 = 2 + 18 + 4 + ...(Using (i))
⇒ 40 = 3 + 22
⇒ 3 = 40 – 22
⇒ 3 = 18
⇒ = 6 kg
From equation (i), = (4 + 6) kg = 10 kg
APPEARS IN
संबंधित प्रश्न
Raju’s father’s age is 5 years more than three times Raju’s age. Find Raju’s age, if his father is 44 years old.
The length of a rectangle is two times its breadth. Its perimeter is 60 cm.
- If the breadth of rectangle is x cm, the length of the rectangle is ______.
- Perimeter in terms of x is ______.
- The equation formed is ______.
- The solution of the equation is ______.
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 is 7 more than one-third of itself.
A number divided by 2 and then increased by 5 is 9.
Two times a number increased by 5 equals 9. Find the number.
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.
The sum of two consecutive multiples of 2 is 18. Find the numbers.
Two complementary angles differ by 20°. Find the angles.
In a class of 60 students, the number of girls is one-third the number of boys. Find the number of girls and boys in the class.
