Explanation

Two quantities are in inverse proportion when one increases and the other decreases.

Their product always remains constant.

Common in real-life situations like speed & time.

If one doubles, the other becomes half.

It is also called indirect proportion.

Direct Proportion → Both increase or decrease together.

Last verified on 12-04-2026

Explanation

Let Milk = 3k, Wheat = 2k  

Wheat increases by 50%: new Wheat = 2k × 1.5 = 3k  

New ratio Milk : Wheat = 3k : 3k = 1 : 1  

Last verified on 12-04-2026

Explanation

If wheat = 100

Then sugar = 100% more = 100 + 100 = 200

So sugar : wheat = 200 : 100 = 2 : 1

Last verified on 11-04-2026

Explanation

Red : Blue = 3 : 2

If 3 parts = 21 red marbles  

Then 1 part = 21 ÷ 3 = 7

So blue = 2 parts = 2 × 7 = 14

Last verified on 11-04-2026

Explanation

Explanation

Explanation

To compare the ratios, we can convert them to fractions and then decimals:

7:15 = 0.4667

15:23 = 0.6522

21:29 = 0.7241

The largest ratio is 21:29.

Last verified on 02-04-2026

Explanation

10 men can do it in 12 days

1 man would take 10 × 12 = 120 days

12 men will take 120 / 12 = 10 days

Last verified on 30-03-2026

Explanation

Wins: 6

Total games: 6 + 8 = 14

Ratio: 6:14 = 3:7

Last verified on 09-03-2026

Explanation

Let numbers be 5x and 4x.

5x - 4x = 10

x = 10

Largest number = 5x

= 5 × 10

= 50

Last verified on 19-03-2026