121 to 125th qs.

121.
If on an item a company gives 25% discount, they

earn 25% profit. If

they now give 10% discount then what is the profit

percentage.


122.
A certain number of men can finish a piece of

work in 10 days. If

however there were 10 men less it will take 10 days

more for the work to

be finished. How many men were there originally?



(a) 110 men

(b) 130 men

(c) 100 men

(d) none of these



123.
In simple interest what sum amounts of Rs.1120/-

in 4 years and

Rs.1200/- in 5 years ?



(a) Rs. 500

(b) Rs. 600

(c) Rs. 800

(d) Rs. 900



124.
If a sum of money compound annually amounts of

thrice itself in 3

years. In how many years

will it become 9 times itself.



(a) 6

(b) 8

(c) 10

(d) 12



125.
Two trains move in the same direction at 50 kmph

and 32 kmph

respectively. A man in the slower train

observes the 15 seconds elapse before the faster

train completely passes

by him.

What is the length of faster train ?



(a) 100m

(b) 75m

(c) 120m

(d) 50m