ONE
ACT
KIND
SPA
RED.
RED.
Three ducks.
Panda bear
An ear of corn.
20 days.
f the persons can do the work in 80 days, means the work requires the input of 80 man-days. If 2 such mens are engaged they will do the same work in 80 man-days/2 men = 40 days. If half the work needs to be completed it will be done in 40/2 = 20 days.
80
(21 / 7) + (9 * 10) - 13 = 3 + 90 - 13 = 80
The pencil cost 0.50 and the pen cost 10.50, giving the total cost of 11 and the pen cost 10 more than the pencil.
Attention.
Any object with a hole in the center, including a doughnut, a bagel, a ring, or a tire.
Since these have holes in the center, shooting arrows at the center would hit nothing, but swinging a sword would hit it twice.
Alone.
Leaves
When you step on them, they are silent if they’re alive but noisy if they’re dead.
The balloon sways to the left, unlike you and your niece. This is because:
Inertia causes everything in the car to move to the right (relative to the car) when the car turns left.
The helium-filled balloon is lighter than the air around it, so the air has greater inertia. So the all the air shifts to the right and displaces the balloon to the left.