Question : Tides are caused by the gravitational pull of the

Option 1: Earth on the Moon

Option 2: Earth on the Sun

Option 3: Sun and Moon on the Earth

Option 4: Moon on the Earth

Question : A person can jump higher on the moon's surface than on the earth because : 

Option 1: The moon's surface is rough

Option 2: the acceleration due to gravity is smaller than that on the earth

Option 3: the moon is cooler than earth

Option 4: the moon has no atmosphere

Question : The distance between the two towns is covered in 7 hours and 30 minutes, at the speed of 72 km/hr. The time saved if the speed is increased by 25% is:

Option 1: 1 hour 36 minutes

Option 2: 1 hour 50 minutes

Option 3: 1 hour 30 minutes

Option 4: 1 hour 20 minutes

Question : Working for 10 hours per day, 6 men can build a wall in a certain number of days. By working for how many hours/per day can 12 men build the wall on the same day?

Option 1: 7 hours 30 minutes

Option 2: 5 hours

Option 3: 20 hours

Option 4: 10 hours

Question : If $x$ can finish a job in 4 hours and $y$ can finish the same job in 8 hours independently, then they together will finish the job in:

Option 1: 140 minutes

Option 2: 160 minutes

Option 3: 120 minutes

Option 4: 150 minutes