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) 6 men can complete a work in 37 days. In how many days will 10 men finish the same work days Answer:_______________ |
| 2) 4 men can complete a work in 26 days. In how many days will 11 men finish the same work days Answer:_______________ |
| 3) 6 men can complete a work in 27 days. In how many days will 8 men finish the same work days Answer:_______________ |
| 4) 2 men can complete a work in 21 days. In how many days will 11 men finish the same work days Answer:_______________ |
| 5) 7 men can complete a work in 36 days. In how many days will 8 men finish the same work days Answer:_______________ |
| 6) 5 men can complete a work in 37 days. In how many days will 9 men finish the same work days Answer:_______________ |
| 7) 4 men can complete a work in 20 days. In how many days will 11 men finish the same work days Answer:_______________ |
| 8) 7 men can complete a work in 22 days. In how many days will 10 men finish the same work days Answer:_______________ |
| 9) 4 men can complete a work in 29 days. In how many days will 9 men finish the same work days Answer:_______________ |
| 10) 4 men can complete a work in 32 days. In how many days will 8 men finish the same work days Answer:_______________ |
| 1) 6 men can complete a work in 37 days. In how many days will 10 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 37 = 10 x a a =(6x 37)/ 10 = = 22 10 men can complete the work in 22 days |
| 2) 4 men can complete a work in 26 days. In how many days will 11 men finish the same work Answer: 9 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 4 x 26 = 11 x a a =(4x 26)/ 11 = = 9 11 men can complete the work in 9 days |
| 3) 6 men can complete a work in 27 days. In how many days will 8 men finish the same work Answer: 20 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 6 x 27 = 8 x a a =(6x 27)/ 8 = = 20 8 men can complete the work in 20 days |
| 4) 2 men can complete a work in 21 days. In how many days will 11 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 = 11 x a a =(2x 21)/ 11 = = 4 11 men can complete the work in 4 days |
| 5) 7 men can complete a work in 36 days. In how many days will 8 men finish the same work Answer: 32 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 7 x 36 = 8 x a a =(7x 36)/ 8 = = 32 8 men can complete the work in 32 days |
| 6) 5 men can complete a work in 37 days. In how many days will 9 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 5 x 37 = 9 x a a =(5x 37)/ 9 = = 21 9 men can complete the work in 21 days |
| 7) 4 men can complete a work in 20 days. In how many days will 11 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 4 x 20 = 11 x a a =(4x 20)/ 11 = = 7 11 men can complete the work in 7 days |
| 8) 7 men can complete a work in 22 days. In how many days will 10 men finish the same work Answer: 15 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 7 x 22 = 10 x a a =(7x 22)/ 10 = = 15 10 men can complete the work in 15 days |
| 9) 4 men can complete a work in 29 days. In how many days will 9 men finish the same work Answer: 13 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 4 x 29 = 9 x a a =(4x 29)/ 9 = = 13 9 men can complete the work in 13 days |
| 10) 4 men can complete a work in 32 days. In how many days will 8 men finish the same work Answer: 16 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 4 x 32 = 8 x a a =(4x 32)/ 8 = = 16 8 men can complete the work in 16 days |