Easy Mathematical Puzzles - 5

Mathematical riddles often form a part of aptitude tests and entrance exams. Most of them are arithmetic, algebra or number logic puzzles. Puzzles are basically devised to test your brain power and memory. In this series of articles, we have compiled various types of simple math riddles. Each article contains a set of 10 maths puzzles with answers and explanations. Solve the given questions and evaluate your mental abilities:
Q.1.I bought a car with a peculiar 5 digit numbered license plate which on reversing upside down could still be read. On reversing value is increased by 58212. What is the original number if all digits were different?
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Q.2.Aman has a certain number of apples with him. He gives half of the apples and then half an apple to Mohit. Then he gives half of the remaining apples and then half an apple to Rahul. And in the same way he gives to Rohit. After giving it to Rohit, he has 9 apples. What is the number of apples that Aman was having in the beginning.?
Q.3.If 20 boys and 20 girls eat 20 apples in 20 minutes, in how many minutes will one boy and one girl take to eat one apple ?
Q.4.Sita and Gita were walking on the road.
Sita said, "I weigh 55 Kgs. What is your weight?"
Gita replied that she wouldn't disclose her weight directly as she is obese. But she said, "I weigh 50 Kgs plus one third of my weight." Find the weight of Gita?
Q.5.Following facts are true about Ludhiana:
No two citizens have exactly the same number of coins.
No citizen has exactly 2025 coins.
There are more citizens than there are coins with any one citizen.
What is the largest possible number of the citizens of Ludhiana?
Q.6.There are 70 employees working with Bulls Eye of which 30 are females. Also, 30 employees are married. 24 employees are above 25 years of age. 19 married employees are above 25 years, of which 7 are males. 12 males are above 25 years of age. 15 males are married. How many unmarried females are there and how many of them are above 25?
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Q.7.You have six 8's and you may use any of the (+, -, /, ×, .) as many times as you like. How many arithmetical expressions which use the six 8's to form 1000 are possible?
Q.8.What is the four-digit number in which the first digit is 1/4 of the second, the third is the sum of the first and second, and the last is two times the second?
Q.9.Two people enter a race in which one runs to a point and back. Anil runs 20 mph to and from the point. Sunil runs to the point going 10 mph and 30 mph going back. Who came in first?
Q.10.In the General meeting of "Bulls Eye Society", Poonam said, "The repairs to the Society will come to a total of Rs 3120 and I recommend that this amount should be met by the members, each paying an equal amount." The recommendation was immediately agreed. However, four members of the Society chose to resign, leaving the remaining members to pay an extra Rs 26 each.
How many members did the Society originally have?