12 and 13. Can't stove it 😞
Can sum1 help. I aint able to understand how the've solved it.
How many four-digit perfect squares 'abcd' are possible such that 'dcba' is also a four-digit perfect square and is also a factor of 'abcd'?
a) 0
b) 1
c) 2
d) More than 2
Can someone give the answer along with an explanation of the approach used?
2 couples and a single person are sitting on 5 chairs..The probability that no couples sit next 2 each other is? OA is 2/5.. Please explain the approach
Strange Facts about Numbers #6 Squares of some numbers follow a beautiful trend. For eg Squares of repunits with one's Sq(1) = 1 Sq(11) = 121 Sq(111) = 12321 Sq(1111) = 1234321 Sq(11111) = 123454321 Sq(111111) = 12345654321 And so on. Can you find more such repunit trends? #numberrs
Anyone in Indore need TIME material?
The number of ways of arranging N students in a row such that no two boys sit together and no two girls sit together is m (m > 100 ).
If one more student is added, then number of ways of arranging as above increases by 200%. Find the value of N ?
Guys how we can calcualate no of Onto functions from Set A to Set B assuming Set A=n and Set B=m elements ?
An inlet pipe fills the tank in 12 hours and outlet pipe can empty the tank in 8 hours. If "n" pipes (some are the inlet and some are outlet) opened simultaneously then full tank gets empty in 2 hours. Then how many outlet pipes are there ?
("n" is prime number less than 20)
What is the sum of all digits of first 1000 natural numbers ?
Find the remainder when 3x^5 + 2x^4 - 3x^3 - x^2 + 2x + 2 is divided by x^2 - 1 ?
Three pipes A,B and C are connected to a tank. These pipes can fill the tank separately in 5hr, 10 hr and 15hr respectively. When all the three pipes were opened simultaneously, it was observed that pipes A and B were supplying water at (3/4)th of their normal rates for the 1st hour after which they supplied water at normal rate. Pipe C supplied water at (2/3)rd of its normal rate for 1st 2 hour, after which it supplied at its normal rate. In how much time, tank would be filled?
Sol? .Option a)24 b)12 c)9 d)16
find the right most non zerodigit of 20!?
any online good material for circular motion?
9^2013 mod 77 = ?