Easy Mathematical Puzzles - 4

Maths puzzles often feature in a lot of competitive examinations. This type of questions evaluate your mental abilities, calculation speed and problem solving skills. Here, we have compiled a variety of math riddles with different levels of difficulty. This series of articles contain easy maths puzzles with answers and explanations. Each article consists of 10 puzzle-based questions. Practice these simple maths puzzles and check your aptitude:
Q.1.There are some chairs in a room. If 6 men sit on each chair, then 4 chairs are left unoccupied. However, if 4 men sit on each chair, 4 men are left standing. How many men are there in the room?
Q.2.In the following question, one term in the number series is wrong, find out the wrong term.
1, 3, 12, 25, 48
Q.3.Rajat appeared for a Science exam. He was given 135 problems to solve. He tried to solve all of them correctly but some of them went wrong. Anyhow he scored 75. His score was calculated by subtracting three times the number of wrong answers from the number of correct answers. Can you tell how many problems he solved correctly?
Q.4.A farmer has three children and 44 gold coins. He decides to give coins to his three children in the following ratio: 1/3:1/6:1/9. How could his last will be followed?
Q.5.Rishabh decided to quit his smoking habit one day, but he had 64 cigarettes with him. So he started smoking them one by one, to finish them. He had the habit of smoking only 1/4th of it and leaving the rest butt. Latter he found out that by joining 4 butts he can form 1 cigarette. So, how many cigarettes in all he smoked.
Q.6.Imagine Manmohan Singh is a pilot. He flies from Delhi to Banaras, 2000 Km and 5 hrs away. He drives to hotel Kapoorsons in Banaras which is 20 Km from the airport. The next day, he wakes up and drives back to the airport which is another 20 Km. He flies another plane up to Kolkota which is 2000 Km. There he goes into the employees lounge and sleeps at the airport that night. The next day he flies to London which is 5,000 Km. He stays in London for 3 days, and then flies all the way back to Delhi, where his home is. The flight is 10,000 Km. How many Kilometers did he go in total and how old is the pilot?
Q.7.Kitu Kidwani has seven pairs of white gloves and seven pairs of pink gloves in her drawer. In complete darkness, how many gloves should she at least take from the drawer in order to be sure to get a pair that match?
Q.8.We have a 50 ft piece of rope. If it takes one second to cut it into a 1-foot piece .How long would it take to cut the entire rope into one-foot pieces?
Q.9.On a certain island, 5% of the 2000 inhabitants are one legged and half of the others go barefoot. What is the least number of shoes needed in the island?
Q.10.Three friends divided some bullets equally. After all of them shot 8 bullets each, the total number of bullets remaining is equal to the bullets each had after division. Find the original number divided.?