Kalpesh Sharma

All Aptitude Question's Answer below mentioned.

1. I bought a car with a peculiar 5 digit numbered license plate that on reversing could still be read. On reversing value is increased by 78633.Whats the original number if all digits were different?

2. A family I know has several children. Each boy in this family has as many sisters as brothers but each girl has twice as many brothers as sisters. How many brothers and sisters are there?

3. No. of animals is 11 more than the no. of birds. If the no. of birds were the no. of animals and no. of animals were the no. of birds( ie., interchanging no.s of animals and birds.), the total no. of legs get reduced by one fifth (1/5). How many no. of birds and animals were there?

4. Light glows for every 13 seconds. How many times did it glow between 1:57:58 and 3:20:47 am?

5. There are six boxes containing 5, 7, 14, 16, 18, 29 balls of either red or blue in color. Some boxes contain only red balls and others contain only blue.One sales man sold one box out of them and then he says, " I have the same number of red balls left out as that of blue ". Which box is the one he sold out?

6. There is a 4-inch cube painted on all sides. This is cut down into of 1-inch cubes. What is the no of cubes, which have no pointed sides?

7. There is an element, which triplicates in every hour. Each of these 3
items intern reproduce exactly 3 other items. If a single compound is kept in a
container at noon and the container is full by midnight. After how many hours is the container 1/3 full?

8. The average age of 10 members of a committee is the same as it was 4 years ago, because a young member has replaced an old member. Find how much younger is the new member?

9. A man ate 100 bananas in five days, each day eating 6 more than the previous day. How many bananas did he eat on the first day?

10. A monkey starts climbing up a tree 20ft. tall. Each hour, it hops 3ft. and slips back 2ft. how much time would it take the monkey to reach the top?

11. A person walking 5/6 of his usual rate is 40 minutes late. What is his usual time?

12. There is a circle whose diameter is equal to the length of a chessboard. If that is put on the chessboard how many complete squares will be in the circle.

13. What is the sum of the first 25 natural odd numbers?

14. How big will an angle of 1.5 degree look through a glass that magnifies things three times?

15. A fast typist can type some matter in 2 hours and a slow typist can type it in 3 hours. If both types combine, in how much time will they finish?

16. A rectangular plate with length 8 inches, breadth 11 inches and thickness 2 inches is available. What is the length of the circular rod with diameter 8 inches and equal to the volume of the rectangular plate?

17. What is a percent of b divided by b percent of a?

Answers :

Ans 1. Only 0 1 6 8 and 9 can be read upside down. The answer as 10968
Ans 2. 4 boys and 3 girls.
Ans 3. birds: 11,animals: 22
Ans 4. 383 + 1 = 384
Ans 5. Total no of balls = 89 and (89-29 /2) = 60/2 = 30 and also 14 + 16 = 5 + 7 + 18 = 30
Ans 6. 8
Ans 7. 11:00pm
Ans 8.40 years.
Ans 9. Eight.
Ans 10.18 hours.
Ans 11. 3 hours, 20 minutes. Ex. Solve x*t = (5/6)*x*(t+40)
Ans 12. 32.
Ans 13. 625 Ex. The sum of the first n natural odd Nos. is square (n).
Ans 14. 1.5 degrees (the glass cannot increase the magnitude of an angle.)
Ans 15.1 hr 12 min
Ex. The fast typist's work done in 1 hr = 1/2
The slow typist's work done in 1 hr = 1/3
If they work combine, work done in 1 hr = 1/2+1/3 = 5/6
So, the work will be completed in 6/5 hours. i.e., 1+1/5 hours = 1hr 12 min
Ans 16.3.5 inches
Ex. Volume of the circular rod (cylinder) = Volume of the rectangular plate
(22/7)*4*4*h = 8*11*2 h = 7/2 = 3.5
Ans 17. 1 Ex. a percent of b divided by b percent of a: ((a / 100)*b)/(b/100) * a))=1