Question

12) 6 workers complete a job in 8 days. How Br many
workers are needed to complete the job 2 days in
advance?
a) 4 b) 8 c) 10 d) 6
13) A supply of food lasts for a week for 25 families. How
long would it last if 5 more families are to be supplied?
a) 5 days b) 6 days c) 5/6 of a week d) 6/5 of a week
14) A car needs 33 litres of petrol to cover a distance of
363 km. Petrol costs Rs 78 per litre. How much would
one spend on a journey of 407 km by that car?
a) Rs.2886 b) Rs.2780 c) Rs. 2618 d) Rs.2870​

Answer 1

Answer:

1) option d)6

2)option d)6/5

3)option a)2886

Step-by-step explanation:

1)

=> 6 workers = 8 days

=> 2 workers = ? days

=> 6×8 = 48

=> 48 ÷8=6

option d)6

2)

25 families need supply of food for 1 week

1 family need supply of food for 1×25 week

25+5 families need supplies of food for 3025

=6/5 weeks 

option d)6/5

3)

363=33L

363÷33=1/11L

1/11L=1km

Therefore 407 ×78/11=2886

Therefore Answer would be option a)2886