ratio and unitary method

A lorry uses 80 litres of fuel on a trip of 280 kilometres.

How much fuel would the same lorry use on a trip of 196 kilometres?

• 114 litres

• 56 litres

• 686 litres

A train can travel 320 Km in 2 hours. How much distance can the train travel in 5 hours?

• 850

• 700

• 800

• 750

Determine the ratio of the following
'30 minutes to 2 hours'

• 30 : 2
• 1 : 4
• 1 : 6
• None of the above

The angles of a triangle are in the ratio 1 : 2 : 3.  The angles are 

• 45⁰ , 45⁰, 90⁰
• 30⁰, 60⁰, 90⁰
• 90⁰, 60⁰, 30⁰
• 30⁰, 90⁰, 60⁰

Find the missing number.

3:24 = 1:N

• 6

• 7

• 8

• 9

If cost of 6 pens is Rupees 48, then cost of 8 pens is Rupees.........

• 8

• 36

• 64

• 84

One dozen eggs costs for Rs 48. What will be the cost of 10 eggs?

• 35

• 67

• 50

• 40

Find the following ratio in the simplest form:

2.4 km to 900 m

• 0.8 : 3

• 8 : 3

• 8 : 30

• 8 : 300

Write the following ratio in the simplest form:

4 kg : 2 kg 500 g

• 7 : 5

• 40 : 5

• 8 : 5

• 8 : 7

Sunil earns Rs 15300 and saves Rs 1224 per month. Find the ratio of his expenditure and savings.

• 15 : 2

• 25 : 12

• 25 : 23

• 23 : 2