type 3 money multiples in ‘n’ years Practice Questions Answers Test with Solutions & More Shortcuts

Question : 1 [SSC CGL Tier-II 2015]

The simple interest on a sum of money is $8/25$ of the sum. If the number of years is numerically half the rate percent per annum, then the rate percent per annum is

a) 8

b) 5

c) 4

d) 6$1/4$

Question : 2 [SSC CPO SI 2016]

A certain sum doubles in 7 years at simple interest. The same sum under the same interest rate will become 4 times in how many years.

a) 28

b) 14

c) 10

d) 21

Question : 3 [SSC CGL Tier-I 2016]

At what per cent of simple interest will a sum of money double itself in 15 years?

a) 6$2/3$%

b) 6$1/3$%

c) 6%

d) 6$1/2$%

Question : 4 [SSC CGL Prelim 2008]

A sum of money at a certain rate per annum of simple interest doubles in the 5 years and at a different rate becomes three times in 12 years. The lower rate of interest per annum is

a) 20%

b) 15%

c) 16$2/3$%

d) 15$3/4$%

Question : 5 [SSC CGL Tier-I 2016]

The rate of simple interest for which a sum of money becomes 5 times of itself in 8 years is :

a) 40%

b) 30%

c) 55%

d) 50%