Proportion, HCF and LCM

If 52 men can do a piece of work in 35 days, then 28 men will complete the same work in how many days?

• 55

• 50

• 65

• 25

In a camp there is enough food for 500 soldiers for 35 days. If 200 more soldiers join the camp, how many days will the food last?

• 25

• 45

• 65

• 15

A lobour get Rs.980 for 14 days work. How many days should he work to get Rs.2100?

• 55

• 35

• 60

• 30

A car travels 360 km in 60 liters of petrol. How much distance will it cover in 12 liters of petrol?

• 70

• 72

• 75

• 80

The cost of 5 kg of rice is Rs 300. What will the cost of 12 kg of sugar be?

• Rs.600

• Rs.650

• Rs.720

• Rs.750

A worker gets $ 504 for 7 days of work. How many days should he work to get $ 792?

• 9 days

• 10 days

• 11 days

• 12 days

If 18 doll cost rs 450 how many dolls can be purchased for rs 325?

• 13

• 16

• 15

• 12

If 72 workers can do a piece of work in 40 days, in how many days will 64 workers complete the same work?

• 40 days

• 45 days

• 50 days

• 55 days

If 8 men can do a piece of work in 20 days, in how many days could 20 men do the same work ?

• 8

• 10

• 4

• 6

Find the HCF of 21 and 28

• 3

• 4

• 7

• 14