Written Instructions:
For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..
For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.
Leave your answers in the simplest form or correct to two decimal places.
| 1) 7 men can complete a work in 22 days. In how many days will 11 men finish the same work days Answer:_______________ |
| 2) 7 men can complete a work in 38 days. In how many days will 12 men finish the same work days Answer:_______________ |
| 3) 5 men can complete a work in 22 days. In how many days will 9 men finish the same work days Answer:_______________ |
| 4) 6 men can complete a work in 28 days. In how many days will 8 men finish the same work days Answer:_______________ |
| 5) 6 men can complete a work in 38 days. In how many days will 9 men finish the same work days Answer:_______________ |
| 6) 6 men can complete a work in 40 days. In how many days will 11 men finish the same work days Answer:_______________ |
| 7) 2 men can complete a work in 21 days. In how many days will 10 men finish the same work days Answer:_______________ |
| 8) 3 men can complete a work in 38 days. In how many days will 10 men finish the same work days Answer:_______________ |
| 9) 2 men can complete a work in 30 days. In how many days will 9 men finish the same work days Answer:_______________ |
| 10) 6 men can complete a work in 24 days. In how many days will 10 men finish the same work days Answer:_______________ |
| 1) 7 men can complete a work in 22 days. In how many days will 11 men finish the same work Answer: 14 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 7 x 22 = 11 x a a =(7x 22)/ 11 = = 14 11 men can complete the work in 14 days |
| 2) 7 men can complete a work in 38 days. In how many days will 12 men finish the same work Answer: 22 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 7 x 38 = 12 x a a =(7x 38)/ 12 = = 22 12 men can complete the work in 22 days |
| 3) 5 men can complete a work in 22 days. In how many days will 9 men finish the same work Answer: 12 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 5 x 22 = 9 x a a =(5x 22)/ 9 = = 12 9 men can complete the work in 12 days |
| 4) 6 men can complete a work in 28 days. In how many days will 8 men finish the same work Answer: 21 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 6 x 28 = 8 x a a =(6x 28)/ 8 = = 21 8 men can complete the work in 21 days |
| 5) 6 men can complete a work in 38 days. In how many days will 9 men finish the same work Answer: 25 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 6 x 38 = 9 x a a =(6x 38)/ 9 = = 25 9 men can complete the work in 25 days |
| 6) 6 men can complete a work in 40 days. In how many days will 11 men finish the same work Answer: 22 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 6 x 40 = 11 x a a =(6x 40)/ 11 = = 22 11 men can complete the work in 22 days |
| 7) 2 men can complete a work in 21 days. In how many days will 10 men finish the same work Answer: 4 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 2 x 21 = 10 x a a =(2x 21)/ 10 = = 4 10 men can complete the work in 4 days |
| 8) 3 men can complete a work in 38 days. In how many days will 10 men finish the same work Answer: 11 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 3 x 38 = 10 x a a =(3x 38)/ 10 = = 11 10 men can complete the work in 11 days |
| 9) 2 men can complete a work in 30 days. In how many days will 9 men finish the same work Answer: 7 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 2 x 30 = 9 x a a =(2x 30)/ 9 = = 7 9 men can complete the work in 7 days |
| 10) 6 men can complete a work in 24 days. In how many days will 10 men finish the same work Answer: 14 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 6 x 24 = 10 x a a =(6x 24)/ 10 = = 14 10 men can complete the work in 14 days |