Gre/gmat mock test

 GMAT INTERESTS 2023 
6. 
Sayan and Siddharth invest a total amount of 12300 at 25% compounded 
annually in a Scheme. If the amount accrued by Siddharth after 6 years 
is the same as Sayan's after 8 years, find the amount invested by Sayan. 
A) 4500 B)4800 C)5500 D)6000 E)6250
7. 
Bala deposited 40000 in an investment fund that provides a 20% annual 
return compounded quarterly. In how much time (in months), did his 
investment earn a total interest of 4100? 
A) ½ B)2 C)3 D)4 E)6
8. 
An investment of p at r% of simple interest accrued 1500 over 3 years. 
In terms of p, what amount invested at the same rate will accrue 2400 
over 8 years? 
A) 3p/5 B)2p/5 C)p/2 D)3p/4 E)p/4
 
 
 

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9. 
What is the total interest accrued on a principal of 15000 compounded 
semiannually at an annual interest of 20% after one year? 
A)3000 B)3050 C)3100 D)3150 E)3200
 10. 
A person borrowed 18000 for five years at r% simple interest per 
annum. If he repaid 25200, find the rate of interest. 
A) 5% B)6% C)8% D)10% E)12% 
GMAT MIXTURES 2023 
11. 
There are two different alloys, A and B. Alloy A has copper and Iron in 
the ratio of 5:7, and Alloy B has copper and Iron in the ratio of 4:3. In 
what ratio should Alloy A and B be mixed such that percentage of iron 
and copper in the final mixture is equal. 
A) 2:1 B)2:3 C)5:6 D)6:7 E)4:3 
12. 
We have a large beaker of a fixed volume 200 ml which is filled upto 
75% of its capacity with a milk and water mixture, which has a 40% 
concentration of milk. Now, 30 ml of this mixture is taken out of the 
beaker, and the beaker is filled up to its brim with milk. Find the 
concentration of milk in the final mixture. 
A) 60 B)68 C)70 D)64 E)75