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Post under tag mathematical
Recent puzzles under tag
mathematical
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0
votes
5 spheres of radius 2 m, 7 cylinder of radius 3 m, height 7 m and 4 cones of radius 5 m, height 8 m are melted..
posted
1 day
ago
by
anonymous
mathematical
geometry
0
votes
First and last term of a geometric progression are 3 and 96. If sum of these terms is 189, then find number of terms?
posted
1 day
ago
by
anonymous
series
mathematical
0
votes
When is 1600 plus 25 and 1700 minus 35 the same thing ?
posted
2 days
ago
by
Ranjith Havaldar
riddle
mathematical
logic
0
votes
Find a five-digit number which has its digits reversed when it is multiplied by 9?
posted
3 days
ago
by
anonymous
mathematical
logic
0
votes
The marked price of a shirt is Rs.1500. A shopkeeper offers 15% discount and again offers 20% discount on new price...
posted
3 days
ago
by
anonymous
percentage
mathematical
0
votes
In how many ways the corners of a square be colored using four colors?
posted
6 days
ago
by
anonymous
permutation
mathematical
0
votes
In how many ways we can wear three rings in the four fingers?
posted
6 days
ago
by
anonymous
mathematical
permutation
0
votes
Let us say there are two natural numbers "L" and "R". We performed eight operations on these.........What is wrong here?
posted
6 days
ago
by
Madhavi Latha
logic
mathematical
0
votes
Two numbers are randomly picked from list 9, 10, 11, 12, 13, ....32. What is the probability being both as prime number?
posted
Jun 16
by
anonymous
probability
mathematical
0
votes
A family, made up of 2 parents with children, has an average age of 20. If you.........How many kids are in the family?
posted
Jun 15
by
Kuldeep Apte
logic
mathematical
0
votes
I have a quadrilateral with perimeter 4 and area 1. Find the maximum value of the product of its diagonal lengths.
posted
Jun 13
by
anonymous
mathematical
geometry
+1
vote
N has precisely 10 positive divisors. N has precisely 15 positive divisors. N has precisely 20 positive divisors....
posted
Jun 13
by
anonymous
number puzzle
mathematical
0
votes
Dmitri was working on a mixture whose weight comprise of 90% liquid and 10% solid. The total weight of the.............
posted
Jun 13
by
Yogeshwar Thakur
logic
mathematical
0
votes
A dad offered to pay her daughter Rs 5 for every correct answer on her maths test. Her daughter said she would pay......
posted
Jun 13
by
Rahul Vaidya
logic
mathematical
0
votes
P, Q, R can do a work in 12, 8 and 6 days respectively. Q and R start the work and leave after 2 days...
posted
Jun 12
by
anonymous
time work
mathematical
+1
vote
How many ways can n books be placed on k distinguishable shelves?
posted
Jun 11
by
anonymous
permutation
mathematical
logic
0
votes
A bag contains Red and Black Balls. Two balls are drawn and probability that both the balls drawn are red is 1/2...
posted
Jun 11
by
anonymous
probability
mathematical
0
votes
This is a mathematical and number puzzle if you have mind solve it
posted
Jun 11
by
anonymous
mathematical
0
votes
What 3 digit number will give you the same answer whether you subtract 5 or divide by 5?
posted
Jun 10
by
Divya Joshna
mathematical
number puzzle
0
votes
Find sum of all the positive integral values of x and y such that 2^x + 3^y is a perfect square?
posted
Jun 9
by
anonymous
algebra
mathematical
0
votes
Find the number of distinct fractions a/b, where both a & b are integers with 0<=a<=b<=50 and gcd(a,b) = 1?
posted
Jun 9
by
anonymous
algebra
mathematical
number puzzle
0
votes
What would be the answer of the following equation?
posted
Jun 8
by
anonymous
mathematical
0
votes
What is full of holes but still holds water?
posted
Jun 8
by
Ambuj Chaudhary
mathematical
0
votes
If 1+2=3, 2+3=16 and 3+4=45 then 4+5=??
posted
Jun 7
by
anonymous
mathematical
number puzzle
0
votes
If 8638 + 7542 = 1215 & 5589 + 2468 = 4331 Then; 1357 + 1919 = ????
posted
Jun 6
by
Ankur Athari
mathematical
number puzzle
logic
0
votes
Present ages of two persons differ by 35 years. 3 years later, elder one would be 4.5 times as old as younger one....
posted
Jun 5
by
anonymous
time age
mathematical
0
votes
Sarah asked his grandmother: “How old are you?” She replied: “I have 6 children and.........How old is Sarah’s grandma?
posted
Jun 1
by
Parampreet Kaur
logic
time age
mathematical
0
votes
If man covers 250km by train and rest by bus it takes him 4 hours but if he travels 130km by train and rest by bus...
posted
Jun 1
by
anonymous
time distance
mathematical
0
votes
A box contains 4 red, 6 green & 8 black balls. 3 balls are drawn, find probability of all balls are of different color?
posted
Jun 1
by
anonymous
probability
mathematical
0
votes
Using any combination of +, x, -, � and all of the digits 2, 3, 6 and 8 once only, make the number 36?
posted
Jun 1
by
anonymous
logic
number puzzle
mathematical
0
votes
Which number will replace a, b, c, d in the image below ?
posted
May 31
by
Rajesh Jk
mathematical
number puzzle
0
votes
Can you identify the numbers missing in the Boxes ?
posted
May 31
by
Rajesh Jk
number puzzle
mathematical
logic
0
votes
If 2+3+4=27, 3+4+5=56, 5+6+7=168 and 6+7+8=259 then 1+2+4=??
posted
May 31
by
Deepak Jangra
logic
mathematical
reasoning
0
votes
If 96 mangoes are bought for Rs. 1440 and sold at Rs. 72 per half dozen. What is the percentage of profit or loss?
posted
May 31
by
anonymous
profit loss
mathematical
0
votes
Given that A is a matrix of order 5x3 and B is a matrix of order 3x5, then what is the value of |C| if A x B = C?
posted
May 29
by
anonymous
mathematical
algebra
matrix
0
votes
How many of each coin is there and what are their values?
posted
May 29
by
Mishthy Mukherjee
logic
mathematical
+1
vote
Probability of landing a 6 in an unfair Dice.
posted
May 29
by
Tejas Naik
probability
tricky
mathematical
0
votes
In triangle ABC, D and E are points on sides AB and AC respectively such that AD × EC = AE × DB. Prove that DE || BC?
posted
May 28
by
anonymous
geometry
mathematical
0
votes
How many max number of mixed double tennis can be played among four couple if husband & wife are not allowed in a team?
posted
May 27
by
anonymous
mathematical
logic
permutation
0
votes
Consider the regular 9-gon as shown in figure, Which area is larger: the grey or the white?
posted
May 26
by
Chahat Sharma
geometry
mathematical
0
votes
There are 12 boys and 9 girls, if three students are selected at random, find probability of 1 girl & 2 boys selection?
posted
May 26
by
anonymous
probability
mathematical
0
votes
Boatman goes 4km against current in 2hr and 7.5km along current in 90min. How long he take for 7 km in stationary water?
posted
May 25
by
anonymous
time distance
mathematical
0
votes
N has 3 prime factors, N^2 has 7!! positive divisors, N^3 has 10!!! positive divisors, __ has 13!!!! positive divisors?
posted
May 24
by
Pushpak Chauhan
mathematical
logic
0
votes
How many different paths can the grasshopper take to reach his destination?
posted
May 24
by
anonymous
permutation
mathematical
+1
vote
What's the probability that A wins the duel?
posted
May 24
by
anonymous
probability
mathematical
0
votes
Can you solve the number puzzle by replacing the question mark with a number ?
posted
May 22
by
Richa Patil
number puzzle
mathematical
+1
vote
x and y are 2 digit numbers where y is obtained by reversing x. If x^2 - y^2 = m^2 then find the value of x+y+m?
posted
May 22
by
anonymous
mathematical
algebra
logic
0
votes
A cylinder has a total surface area of 6Pi. What is its maximum possible volume?
posted
May 22
by
anonymous
geometry
mathematical
logic
0
votes
Can you solve the below maths equation and find the value of cup?
posted
May 22
by
Naziya Raza Khan
logic
mathematical
0
votes
When an item is sold for Rs. 26,100, the owner loses 13%. At what price should that plot be sold to get a gain of 13.5%?
posted
May 22
by
anonymous
percentage
profit loss
mathematical
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