If the harmonic mean between two positive numbers is to their geometric mean as 12 : 13; then the numbers could be in
the ratio :
please explain the solution whoever gets it correct.. :)
- 1/12:1/13
- 4:9
- 2:3
- (a) 12 : 13
0 voters
A number is divided by 7,remainder is x. then divided by 19, leaves remainder 2x & when divided by 39, gives remainder 3x. if x=4,then find least possible such number?
find the valve of 9^1/29^1/49^1/8*9^1/16…
Approach Please
- 8
- 0
- 2
- 9
0 voters
(10^10+10^10^2+10^10^3+10^10^4+10^10^5+10^10^6+10^10^7+10^10^8+10^10^9+10^10^10)/7 what will be reminder??
- 1
- 4
- none of this
- 5
0 voters
what is the remainder when 3^1001 is divided by 1001?(plz explain)
- 971
- 966
0 voters
the no. of digitsin the smallest no. consisting ofonly ones and zeroesand divisible by 225.
- 4
- 10
- 11
- 9
0 voters
find d lowest 4 digit number, which when divided by 5 gives 1 and wen divided by 6 gives 2 as remainder.
post approach also.
A positive whole number M less than 100 is represented in base 2 base 3 base 5 notation.it is found that in all 3 cases the last digit is 1.while in exactly two out of the three cases the leading digit is 1 then M equals
- A)31
- B)63
- C)75
- D)91
- E) none of these
0 voters
K(N) denotes no. of ways in which N can be expressed as a difference of two perfect squares. Which of the following is maximum?
Please explain thoroughly..
- k(105)
- k(216)
- k(110)
- k(384)
0 voters
What is the remainder when 2512.2513.2514.2515 + (2516)^3 + (2517)^4 is divided by 9?
- 0
- 5
- 3
- 1
0 voters
what is the remainder when 16! is divided by 19
post your approach too
THere are n books in a shelf. if you divide the books into groups of 9, 2 books are left and groups of 11, 7 are left. If the capacity of the shelf is 1000 books. How many differnet values n can take?
- 12
- 10
- 9
- 8
0 voters
If (5x+11y) is prime number for natural number values of x and y, then what is the minimum value of (x+y)?
- 2
- 6
- 5
- 4
- 3
0 voters
How many factors of N=1020 will be divisible by 5 but not by 15?
- 0
- 12
- 3
- 6
- 2
0 voters
If a,b,c,d are natural no.s such that a^d + b^d = c^d, which of the following is true
- minimum of a,b,c is atleast d
- max of a,b,c is atmost d
- min{a,b,c}<d></d>
- d=1
0 voters
If a no. is of form 144k+1 is divisible by 17, how many such combinations are possible?
Please dont use hit and trial method.
- 2
- 3
- 4
- 5
0 voters
for how many of first 300 even natural numbers is the total number of factors even ??
pls post a solution too
pls post a solution too
In the product of all co-primes of 59 that are less than 59,find the largest power of 10.
Approach!
- 11
- 13
- 362
- 384
- None of these
0 voters
Rem[(7^15)/15] ?
Post the approach too
how many no's b/w 100 & 900 have sum of their digits equal to 12 ?
any shortcut ? jain4444 Aizen Ibanez