## Unitary Method

#### Unitary Method

1. If the price of 23 toys is Rs. 276, then what will the price (Rs.) of 12 toys?

1. According to given question,
Price of 23 toys = Rs. 276.

 ∴ Price of 1 toys = 276 23

##### Correct Option: A

According to given question,
Price of 23 toys = Rs. 276.

 ∴ Price of 1 toys = 276 23

 ∴ Price of 12 toys = 276 x 12 23

 ∴ Price of 12 toys = 12 x 12 1

∴ Price of 12 toys = 12 x 12 = 144

1. If the Price of 6 toys is Rs. 264.37, What will be the approximate price (Rs) of 5 toys?

1. Given in the question,
Price of 6 toys is Rs. 264.37.
∴ Price of 1 toys is Rs. 264.37/ 6 .
∴ Price of 5 toys is Rs. 264.37 x 5 / 6 .

##### Correct Option: D

Given in the question,
Price of 6 toys is Rs. 264.37.
∴ Price of 1 toys is Rs. 264.37/ 6 .
∴ Price of 5 toys is Rs. 264.37 x 5 / 6 .
∴ Price of 5 toys is Rs. 44 x 5 .
∴ Price of 5 toys is Rs. 220.

1. If 18 binders bind 900 books in 10 days, How many binders will be required to bind 660 books in 12 days?

1. According to given question,
Since 900 books are bonded in 10 days by 18 binders.
1 books are bonded in 10 days by 18 / 900 binders.
1 books are bonded in 1 days by 18 x 10 / 900 binders.
660 books are bonded in 1 days by 18 x 10 x 660 / 900 binders.

##### Correct Option: D

According to given question,
Since 900 books are bonded in 10 days by 18 binders.
1 books are bonded in 10 days by 18 / 900 binders.
1 books are bonded in 1 days by 18 x 10 / 900 binders.
660 books are bonded in 1 days by 18 x 10 x 660 / 900 binders.
660 books are bonded in 12 days by 18 x 10 x 660 / 12 x 900 binders.
660 books are bonded in 12 days by 18 x 10 x 55 / 900 binders.
660 books are bonded in 12 days by 18 x 55 / 90 binders.
660 books are bonded in 12 days by 55 / 5 binders.
660 books are bonded in 12 days by 11 binders.

1. A certain industrial loom weaves 0.128 meters of cloth every second. Approximately how many seconds will it take for the loom to weave 25 meters of cloth?

1. A certain industrial loom weaves 0.128 meters of cloth in 1 second.
A certain industrial loom weaves 1 meters of cloth in 1/0.128 second.

##### Correct Option: D

A certain industrial loom weaves 0.128 meters of cloth in 1 second.
A certain industrial loom weaves 1 meters of cloth in 1/0.128 second.
A certain industrial loom weaves 25 meters of cloth in 25 x 1/ 0.128 second.
A certain industrial loom weaves 25 meters of cloth in 195.312 second.

1. If 8 men can reap 80 hectares in 24 days, then how many hectares can 36 men reap in 30 days?

1. Since 8 men in 24 days can reap 80 hectares.
1 men in 24 days can reap 80 / 8 hectares.
1 men in 1 days can reap 80 / 8 x 24 hectares.
36 men in 1 days can reap 80 x 36 / 8 x 24 hectares.
36 men in 30 days can reap 80 x 36 x 30 / 8 x 24 hectares.

##### Correct Option: D

Since 8 men in 24 days can reap 80 hectares.
1 men in 24 days can reap 80 / 8 hectares.
1 men in 1 days can reap 80 / 8 x 24 hectares.
36 men in 1 days can reap 80 x 36 / 8 x 24 hectares.
36 men in 30 days can reap 80 x 36 x 30 / 8 x 24 hectares.
36 men in 30 days can reap 10 x 36 x 30 / 24 hectares.
36 men in 30 days can reap 10 x 3 x 30 / 2 hectares.
36 men in 30 days can reap 10 x 3 x 15 hectares.
36 men in 30 days can reap 450 hectares.