Q3.

A 20 m long ladder rests against a vertical wall. It makes an angle of 60° with the ground. Find the distance of the foot of the ladder from the wall.
A.10 m
B.17.32 m
C.34.64 m
D.30 m

Q4.

A certain sum is invested at simple interest for 6 years at a certain rate. If it had been invested at a rate 3% higher, Rs 900 more would have been received. Find the principal.
A.Rs 3500
B.Rs 4000
C.Rs 4500
D.Rs 5000

Q5.

Through which of the following countries does the Brahmaputra NOT flow?
A.China
B.Bangladesh
C.India
D.Nepal