Aptitude test for MCA interview - Set 3

1)   In Daya’s bag there are 3 books of History, 4 books of Science and 2 books of Maths. In how many ways can Daya arrange the books so that all the books of same subject are together?

a. 9
b. 6
c. 8640
d. 1728
Answer  Explanation 

ANSWER: 1728

Explanation:
No explanation is available for this question!


2)   Ramesh’s salary was reduced by 10% and then the reduced salary was increased by 10%. What was his ultimate loss?

a. 0%
b. 10%
c. 1%
d. 5%
Answer  Explanation 

ANSWER: 1%

Explanation:
No explanation is available for this question!


3)   The price of cooking oil has increased by 25%. By what percent should a family reduce the consumption of cooking oil so as not to increase the expenditure in this account?

a. 20%
b. 25%
c. 18%
d. 16%
Answer  Explanation 

ANSWER: 20%

Explanation:
No explanation is available for this question!


4)   In a library, the ratio of number of story books to that of non-story books was 4:3 and total number of story books was 1248. When some more story books were bought, the ratio became 5:3. Find the number of story books bought.

a. 312
b. 321
c. 936
d. 1560
Answer  Explanation 

ANSWER: 312

Explanation:
No explanation is available for this question!


5)   A sells a car to B at 10% loss. If B sells it for Rs. 54000 and gains 20%, the cost price of the car for A was

a. Rs. 25000
b. Rs. 50000
c. Rs. 37500
d. Rs. 60000
Answer  Explanation 

ANSWER: Rs. 50000

Explanation:
No explanation is available for this question!


6)   On a railway line there are 20 stops. A ticket is needed to travel between any 2 stops. How many different tickets would the government need to prepare to cater to all possibilities?

a. 760
b. 190
c. 380
d. 72
Answer  Explanation 

ANSWER: 380

Explanation:
No explanation is available for this question!


7)   A’s salary is 50% more than B’s. How much percent is B’s salary less than A’s?

a. 33(1/4)%
b. 33(1/3)%
c. 33(1/2)%
d. 33%
Answer  Explanation 

ANSWER: 33(1/3)%

Explanation:
No explanation is available for this question!


8)   After deducting a commission of 5%, a TV set costs Rs. 9595. Its marked price is

a. Rs. 10000
b. Rs. 10074.75
c. Rs. 10100
d. Rs. 12000
Answer  Explanation 

ANSWER: Rs. 10074.75

Explanation:
No explanation is available for this question!


9)   A fort has provision for 42 days. After 10 days, a reinforcement of 200 men arrives and the food will now last only for 24 days. How many men were there in the fort in the beginning?

a. 600
b. 575
c. 550
d. 520
Answer  Explanation 

ANSWER: 600

Explanation:
No explanation is available for this question!


10)   The ratio of the present age of father to that of son is 7:2. After 10 years their ages will be in the ratio of 9:4. The present ages of the father is

a. 35 years
b. 40 years
c. 30 years
d. 25 years
Answer  Explanation 

ANSWER: 35 years

Explanation:
No explanation is available for this question!