All those who have faced the interviews in their respective fields, they must be knowing the fact that math questions are a part of the technical interviews or the written tests. The level of difficulty varies from company to company but for sure they are there. Keeping that in mind, we are introducing a new section titled as Math Interview Questions. There are all sort of difficulty levels present in the list and you can check them all.
• Views : 80k+
• Sol Viewed : 20k+

# #1 - Most Popular Number Series IAS Problem

Difficulty Popularity

Can you solve the number series problem by replacing boxes with number 1, 3 , 5 , 7 ,9 , 11 , 13 , 15?

Note: You can also repeat the number.

This interesting problem was asked in India's one of toughest competitive exam UPSC(IAS/IPS).

• Views : 40k+
• Sol Viewed : 10k+

# #2 - Hard Ipl Cricket Brain Teaser

Difficulty Popularity

In a cricket tournament, there are 9 teams that are participating. According to the rules, each of the team will get to play two matches with every other teams. The top qualified four teams will then move forward for the playoffs.

Can you calculate the minimum number of matches to be won by a team to ensure a place in the playoffs?

• Views : 40k+
• Sol Viewed : 10k+

# #3 - Ten Stairs Puzzle

Difficulty Popularity

You need to climb 10 stairs. At each support, you can walk one stair or you can jump two stairs.

In what number alternative ways you'll climb ten stairs?

• Views : 60k+
• Sol Viewed : 20k+

# #4 - Maths Magic - Square Root 12345678987654321 Brain Teaseer

Difficulty Popularity

We all know that square root of number 121 is 11.
But do you know what si the square root of the number "12345678987654321" ?

• Views : 50k+
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# #5 - Best Ramanujan Birthday Riddle

Difficulty Popularity

Today is Ramanujan birthday.
A year Ago on his birthday, he had five candles and he lit all except the last one.
Today he is going to light all the candles.

How old is Ramanujan Today?

Note: He is not turning five today.

• Views : 50k+
• Sol Viewed : 20k+

# #6 - Weight Balance Riddle

Difficulty Popularity

You can place weights on both side of weighing balance and you need to measure all weights between 1 and 1000. For example if you have weights 1 and 3,now you can measure 1,3 and 4 like earlier case, and also you can measure 2,by placing 3 on one side and 1 on the side which contain the substance to be weighed. So question again is how many minimum weights and of what denominations you need to measure all weights from 1kg to 1000kg.

• Views : 70k+
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# #7 - Tricky Math Race Riddle

Difficulty Popularity

Rooney, Hernandez, and Robin race each other in a 100 meters race. All of them run at a constant speed throughout the race.

Rooney beats Hernandez by 20 meters.
Hernandez beats Robin by 20 meters.

How many meters does Rooney beat Robin by ?

• Views : 40k+
• Sol Viewed : 10k+

# #8 - Difficult Brain Twister

Difficulty Popularity

A strange tradition is followed in an orthodox and undeveloped village. The chief of the village collects taxes from all the males of the village yearly. But it is the method of taking taxes that is interesting.

The taxes paid in the form of grains and every male should pay equal pounds corresponding to his age. In simpler terms, a man aged 10 years will have to pay 10 pounds of grains and a 20 years old will be paying 20 pounds of grain.

The chief stands on a riser containing 7 different weights next to a large 2 pan scale. As per the interesting custom, the chief can only weigh using three of the seven weights.

In such a scenario, can you calculate what must be the weights of the seven weights each and who is the oldest man the chief can measure using those weights?

• Views : 60k+
• Sol Viewed : 20k+

# #9 - Hard Maths Brain Teaser

Difficulty Popularity

Right across the street is a fast food outlet that sells chicken in the order of 6, 9 and 20 only.
Determine the maximum number of chicken pieces that cannot be ordered from the outlet?

• Views : 40k+
• Sol Viewed : 10k+

# #10 - Escape Room Maths Riddle

Difficulty Popularity

There are four people in a house. A fireman, an athlete, an old woman and a drunk guy. The house catches fire and before the fact is known, it is too late. All they know is that the entire house is in flames and it will collapse exactly after twelve minutes. Now they can move out of the house but for that, they will have to pass the hallway which is entirely blazing with flames. Thus to move, one must carry a fire extinguisher to keep the flames away. Seeking the burnt wooden floor, only two person can run through that hallway at one time. But for others to go, one must return back with the fire extinguisher.The fireman, is trained for such tasks and can run through the hallway in a minute. The athlete can make it in a couple of minutes. The old woman can run slowly and will cover the hallway in four minutes. The drunk guy will take five minutes to run through it. If all of them can make it through the hallway in twelve minutes, all of them will be saved. When two move together, they will run with the speed of the slower one.

How will all four of them manage to run to safety?

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