Solution:

60

Solution:

A Stoplight

Solution:

Horse And queen are chess pieces

Solution:

6

sum of opposite number is 21

Solution:

Amelia --> vanilla-shake
Charlotte --> chocolate-shake
Evelyn --> strawberry-shake
Anna --> burger
Ella --> curd

Solution:

4 years

issabella : 4 years old.
sophie : 10 years old

Explanation : issabella is 'I' and sophie is 'S'

equation 1 : 2/5 S = I
equation 2 : (S+2)= 2(I+2)
equation 2 : (S-2)= 4(I-2)
Solve above equation

equation 1: 2/5 of 10 is 4
equation 2: (4+2) is half of (10+2)
equation 3: (4-2) is one-forth of (10-2)

Solution:

Bad Intention (BAD in TENTION).

Solution:

-4

298 less 209 is 89
209 less 129 is 80
129 less 58 is 71
58 less -4 is 62
The result of each subsequent equation is 9 less than the previous one.

Solution:

G = 'Roger Federer'
H = 'Rafael Nadal'

#A spoke the truth and the rest lied.

Solution:

work in progress