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Recent puzzles under tag mathematical

0 votes
Two trains each 365 meter long, are running in same directions. If their speeds are 44 km/hr and 64 km/hr...
posted May 17, 2017 by anonymous
  • time distance
  • mathematical
0 votes
A man can row a Boat Upstream at 10km/hr and Downstream at 16km/hr, than what is the speed of the stream ?
posted May 16, 2017 by Ambika Sharma
  • speed
  • mathematical
+1 vote
can u find the correct answer? 2[2{3-6(4x5)2}7+6]
posted May 16, 2017 by Remruata Pachuau
  • mathematical
+1 vote
9 unit circles are packed into a square. What is the length of longest path connecting two opposite corners of square?
posted May 15, 2017 by Pushpak Chauhan
  • geometry
  • mathematical
0 votes
On selecting one card of the pack of card which one has more probability: a card that divides by 3 or a picture card?
posted May 14, 2017 by anonymous
  • probability
  • mathematical
0 votes
A 1/4 mile long train at speed of 76 mph enters a tunnel of 9/2 miles long. How long does it take for train to cross?
posted May 10, 2017 by anonymous
  • time distance
  • mathematical
+1 vote
3 rational numbers form a GP, if 8 is added to the middle number, then this new sequence forms an AP...
posted May 10, 2017 by anonymous
  • mathematical
  • logic
  • number puzzle
+1 vote
A right trapezoid is partitioned into 4 triangles by its diagonals, as shown. Which colored region has a largest area?
posted May 10, 2017 by anonymous
  • geometry
  • mathematical
0 votes
Rope sliding on double ramp, how much time would it take before all of the rope is on the right side?
posted May 10, 2017 by anonymous
  • mathematical
  • friction
0 votes
A Milkman has two empty jugs: a 3 litre and a 5 litre jug. how can he measure a exactly one litre of water?
posted May 9, 2017 by Kushal S
  • mathematical
  • logic
0 votes
Find largest possible value of N, such that N! can be expressed as the product of (N-4) consecutive positive integers?
posted May 9, 2017 by anonymous
  • number puzzle
  • mathematical
  • logic
0 votes
How many silver marbles does Paul have?
posted May 8, 2017 by anonymous
  • logic
  • mathematical
+2 votes
Age of the daughters and seat no
posted May 5, 2017 by Vishnu Agarwal
  • mathematical
0 votes
Rectangle is divided by four lines, as shown, with 4 resulting triangles & known areas. Find area of grey quadrilateral?
posted May 5, 2017 by anonymous
  • geometry
  • mathematical
0 votes
If there is an error of 3% in measuring the side of a square. What is the percentage of error in area of square?
posted May 5, 2017 by anonymous
  • mathematical
  • percentage
0 votes
What is the rank of the word RANKING in the dictionary of words formed by the letters of the word RANKING?
posted May 4, 2017 by anonymous
  • mathematical
  • permutation
0 votes
Find the angle in which these two curves intersect each other: 1) xy=1 2) x^2-y^2=1
posted May 4, 2017 by anonymous
  • algebra
  • mathematical
0 votes
What are the dimensions of rectangle A6 in the following image?
posted May 4, 2017 by anonymous
  • geometry
  • mathematical
0 votes
If X - Y = XY = 10 then find the value of X^4 + Y^4
posted May 4, 2017 by anonymous
  • algebra
  • mathematical
0 votes
Present ages of two persons differ by 16 years. If 3 years ago, elder one was 3 times as old as younger one....
posted May 3, 2017 by anonymous
  • time age
  • mathematical
0 votes
If 96 oranges are bought for Rs. 300 and sold Rs. 24 per half dozen. What is the percentage of profit or loss?
posted May 2, 2017 by anonymous
  • profit loss
  • percentage
  • mathematical
0 votes
Complete the table series riddle by finding the number that can replace "?".
posted May 1, 2017 by Chahat Sharma
  • logic
  • number puzzle
  • mathematical
0 votes
What single-digit number replaces the "?" below to go in the middle of the following set of numbers?
posted May 1, 2017 by Saif Khanam
  • logic
  • mathematical
  • number puzzle
  • series
+1 vote
Cyclic quadrilateral
posted Apr 27, 2017 by anonymous
  • geometry
  • mathematical
0 votes
Mr. A has two children that aren't both boys. What is the probability that both children are girls?
posted Apr 27, 2017 by anonymous
  • probability
  • mathematical
0 votes
Find out the wrong term in a series : 144, 100, 64, 36, 19
posted Apr 27, 2017 by Simranjeet Singh
  • series
  • number puzzle
  • mathematical
+1 vote
There are 3 sisters in a house. The product of their ages is equal to 175. If 2 of the sisters are twins, how.........
posted Apr 27, 2017 by Nikita Sehgal
  • logic
  • mathematical
0 votes
Raima took a loan of Rs. 1500 on SI for as many years as rate. If she paid Rs. 960 as interest, what is interest rate?
posted Apr 25, 2017 by anonymous
  • interest
  • percentage
  • mathematical
–1 vote
DOHLAROAC correct this spelling
posted Apr 25, 2017 by Sajeev Sasidharan
  • mathematical
  • brain-teasers
  • logic
  • word puzzle
+1 vote
Kohli and Dhoni decided to have a paintball match. Kohli told Dhoni, "Sir it is not right as you got thrice the.........
posted Apr 24, 2017 by Aman
  • logic
  • riddle
  • mathematical
0 votes
A spherical buoy is floating with emerged part of height=18 cm and radius=14 cm (as in image), What is radius of buoy?
posted Apr 23, 2017 by anonymous
  • mathematical
  • geometry
0 votes
If 2,6=5; 4,9=7; 6,11=8 and 8,15=11 then 12,18=?
posted Apr 22, 2017 by Suhaib Al Asi
  • mathematical
  • number puzzle
0 votes
If a+b+c=1 where a,b,c are non negative real number then find the maximum value of 10101(ab+bc+ca) - 12987abc
posted Apr 22, 2017 by anonymous
  • algebra
  • mathematical
+1 vote
Can you arrange three 8's and mathematical signs to form the number 1?
posted Apr 21, 2017 by Ramya
  • mathematical
  • riddle
0 votes
What is market value of 12.5% stock, in which income of Rs. 720 is derived by investing Rs. 9000 and brokerage is 1/2%?
posted Apr 19, 2017 by anonymous
  • percentage
  • shares
  • mathematical
0 votes
Present ratio of ages of Arun and Deepak is 3:2, after 13 years, Arun's age will be 34 years...
posted Apr 18, 2017 by anonymous
  • time age
  • mathematical
0 votes
A man 180cm tall stands 4.5 meter in front of mirror then what is the angle subtended at the eye by his image in mirror?
posted Apr 17, 2017 by anonymous
  • mathematical
  • height distance
0 votes
If polynomial f(x)+f(2x+y)+5x= f(3x-y)+2x^2+1 where x and y are real numbers, then determine value of f(10)?
posted Apr 17, 2017 by anonymous
  • algebra
  • mathematical
0 votes
If a Triangle has side lengths as 4, 5 and 6 cm then how many times larger is the largest angle to the smallest angle?
posted Apr 17, 2017 by anonymous
  • geometry
  • mathematical
+1 vote
If x + x^3 + x^9 + x^27 + x^81 + x^243 gives a reminder of ax+b when divided by x^2 - 1 then what is the value of a + b?
posted Apr 17, 2017 by anonymous
  • algebra
  • mathematical
0 votes
How much time will it take for an amount of Rs. 300 to yield Rs. 123 as interest at 4.1% per annum of simple interest?
posted Apr 17, 2017 by anonymous
  • interest
  • mathematical
+1 vote
What number should replace the question mark?
posted Apr 13, 2017 by Sidharth Malhotra
  • logic
  • number puzzle
  • mathematical
0 votes
If the ratio of the runs scored by Sachin and Ganguly is 5:6, then what is the percentage of run scored by Sachin?
posted Apr 13, 2017 by anonymous
  • mathematical
  • percentage
0 votes
posted Apr 12, 2017 by Deepak Sharma
  • mathematical
+1 vote
Which number is the odd one out?
posted Apr 12, 2017 by Chahat Sharma
  • logic
  • number puzzle
  • mathematical
0 votes
We have to buy 100 item using exactly rs 100 if 1 cooker cost rs 15 and 1 spoon rs 0.25 and 1 kadaai rs 1
posted Apr 11, 2017 by anonymous
  • logic
  • mathematical
0 votes
Which is the largest 5 digit number which is divisible by 18, 26 and 35?
posted Apr 11, 2017 by anonymous
  • number puzzle
  • algebra
  • mathematical
+2 votes
How many prime numbers less than 100 are there that when divided by 5 leaves an odd remainder?
posted Apr 10, 2017 by Nikita Sehgal
  • logic
  • mathematical
  • number puzzle
0 votes
P is able to do a work in 15 days and Q the same work in 10 days. If they work together for 2 days, how much work left?
posted Apr 7, 2017 by anonymous
  • time work
  • mathematical
0 votes
If difference between simple and compound interests on a sum for 2 years at 4% per annum is Re. 48 then what is the sum?
posted Apr 6, 2017 by anonymous
  • interest
  • mathematical
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