Advertisements
Advertisements
प्रश्न
An alloy of zinc and copper weighs `12 1/2`kg. if in the alloy, the ratio of zinc and copper is 1 : 4, find the weight of copper in it.
Advertisements
उत्तर
Weight of alloy = `12 1/2`kg = `25/2`kg.
Given ratio =1 : 4
Sum of ratio =1 + 4 = 5
Weight of copper = `4/5xx25/2`kg = 2 × 5 = 10 kg
APPEARS IN
संबंधित प्रश्न
The monthly pocket money of Ravi and Sanjeev are in the ratio 5 : 7. Their expenditures are in the ratio 3 : 5. If each saves Rs. 80 every month, find their monthly pocket money.
If 5x + 6y : 8x + 5y = 8 : 9, find x : y.
A sum of money Is divided in the ratio 2 : 3. If the larger portion is Rs 7,47,300. find the sum distributed.
State true or false :
A ratio equivalent to 5 : 4 is 240 : 192
Which is greater 4: 5 or 19: 25.
Divide 72 in the ratio `2 1/2:1 1/2`
Find the ratio of the first quantity to the second.
125 cm, 1 metre
A factory produces electric bulbs. If 1 out of every 10 bulbs is defective and the factory produces 630 bulbs per day, find the number of defective bulbs produced each day.
Show that 48, 60, 75 are in continued proportion.
A rectangular sheet of paper is of length 1.2 m and width 21 cm. Find the ratio of width of the paper to its length.
