The ratio of the heights 1.50 m and 75 cm of two persons can be written as

• 1 : 50

• 1 : 5

• 2 : 1

• 1 : 2

Out of 50 children in a class, 20 are boys. Then the percentage of girls is

• 60

• 30

• 50

• 2/3

The interest on ₹5000 at the rate of 15% per annum for one month is

• ₹750

• ₹75

• ₹625

• ₹62.50

If two ratios are equivalent, then the four quantities are said to be in ______.

40% of 250 km is __________.

If 25% of a journey is 800 km, the total distance of the journey is 3000 km.

• True

• False

0.05 is equivalent to 5%.

• True

• False

Suhana sells a sofa set for ₹9600 making a profit of 20%. What is the C.P. of the sofa set?

If Meenakshee pays an interest of ₹1500 for 4 years on a sum of ₹2500, find the rate of interest per annum(p.a.)

If a cheetah and tortoise travel at their top speeds for 1 minute; how much farther does the cheetah travel?