GATE General Aptitude Practice Questions — All Questions

If the ratio of boys to girls is 3:2 and there are 30 students, the number of boys is:

• a.15
• b.12
• c.18✓
• d.20

Boys = 30 x 3/5 = 18.

A shopkeeper gives a 10% discount on a 500 item. The price paid is:

• a.450✓
• b.490
• c.400
• d.480

500 x 0.9 = 450.

The value of 0.2 x 0.3 is:

• a.0.5
• b.0.006
• c.0.06✓
• d.0.6

0.2 x 0.3 = 0.06.

If 5 machines make 5 items in 5 minutes, how long do 100 machines take to make 100 items?

• a.100 minutes
• b.5 minutes✓
• c.20 minutes
• d.1 minute

Each machine makes 1 item in 5 minutes; 100 machines make 100 items in 5 minutes.

The next term: 1, 4, 9, 16, 25, ?

• a.30
• b.49
• c.40
• d.36✓

Perfect squares; 6^2 = 36.

A car's speed increases from 40 to 60 km/h. The percentage increase is:

• a.20%
• b.50%✓
• c.33%
• d.40%

(60-40)/40 = 50%.