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) 5 men can complete a work in 31 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 11 men finish the same work days Answer:_______________ |
| 3) 2 men can complete a work in 34 days. In how many days will 9 men finish the same work days Answer:_______________ |
| 4) 5 men can complete a work in 26 days. In how many days will 12 men finish the same work days Answer:_______________ |
| 5) 6 men can complete a work in 35 days. In how many days will 10 men finish the same work days Answer:_______________ |
| 6) 6 men can complete a work in 35 days. In how many days will 8 men finish the same work days Answer:_______________ |
| 7) 3 men can complete a work in 27 days. In how many days will 8 men finish the same work days Answer:_______________ |
| 8) 6 men can complete a work in 25 days. In how many days will 12 men finish the same work days Answer:_______________ |
| 9) 7 men can complete a work in 31 days. In how many days will 9 men finish the same work days Answer:_______________ |
| 10) 5 men can complete a work in 33 days. In how many days will 8 men finish the same work days Answer:_______________ |
| 1) 5 men can complete a work in 31 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 5 x 31 = 11 x a a =(5x 31)/ 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 11 men finish the same work Answer: 24 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 7 x 38 = 11 x a a =(7x 38)/ 11 = = 24 11 men can complete the work in 24 days |
| 3) 2 men can complete a work in 34 days. In how many days will 9 men finish the same work Answer: 8 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 2 x 34 = 9 x a a =(2x 34)/ 9 = = 8 9 men can complete the work in 8 days |
| 4) 5 men can complete a work in 26 days. In how many days will 12 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 5 x 26 = 12 x a a =(5x 26)/ 12 = = 11 12 men can complete the work in 11 days |
| 5) 6 men can complete a work in 35 days. In how many days will 10 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 35 = 10 x a a =(6x 35)/ 10 = = 21 10 men can complete the work in 21 days |
| 6) 6 men can complete a work in 35 days. In how many days will 8 men finish the same work Answer: 26 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 6 x 35 = 8 x a a =(6x 35)/ 8 = = 26 8 men can complete the work in 26 days |
| 7) 3 men can complete a work in 27 days. In how many days will 8 men finish the same work Answer: 10 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 3 x 27 = 8 x a a =(3x 27)/ 8 = = 10 8 men can complete the work in 10 days |
| 8) 6 men can complete a work in 25 days. In how many days will 12 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 6 x 25 = 12 x a a =(6x 25)/ 12 = = 13 12 men can complete the work in 13 days |
| 9) 7 men can complete a work in 31 days. In how many days will 9 men finish the same work Answer: 24 days SOLUTION 1 : Given:
As the No of men increases, N of days decreases, inverse variation In inverse variation, xy = Constant 7 x 31 = 9 x a a =(7x 31)/ 9 = = 24 9 men can complete the work in 24 days |
| 10) 5 men can complete a work in 33 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 5 x 33 = 8 x a a =(5x 33)/ 8 = = 21 8 men can complete the work in 21 days |