In the sequence 5, 10, 20, 40, what is the next number?

C. 80

What is the antonym of 'happy'?

B. SAD
Posted in:  Antonyms -  Vocabulary -  English

A car travels 150 km in 3 hours. What is its speed in km/h?

B. 60 KM/H

If a train travels at a speed of 90 km/h, how far will it travel in 2.5 hours?

B. 225 KM

What is the antonym of 'increase'?

C. DECREASE
Posted in:  Antonyms -  Vocabulary -  English