Home
Class 12
MATHS
Let a and b be the 2 consecutive intege...

Let a and b be the 2 consecutive integers selected from the first 20 natural numbers. The probability that `sqrt(a^(2) + b^(2) + a^(2)b^(2))` is an odd positive integer is a)`(9)/(13)` b)`(10)/(19)`c)`(13)/(19)` d)1

A

`(9)/(13)`

B

`(10)/(19)`

C

`(13)/(19)`

D

1

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

The focus of the parabola y^(2) + 6x - 2y + 13 = 0 is at the point a) ((7)/(2), 1) b) ((-1)/(2),1) c) (-2,(1)/(2)) d) (-(7)/(2),1)

If the roots of the equation x^(2) - bx + c = 0 are two consecutive integers, then b^(2) - 4c is

Two distinct numbers x and y are choosen from 1, 2, 3, 4, 5. The probability that the arithmetic mean of x and y is an integer is a)0 b)1/5 c)3/5 d)2/5

The number of elements in the set {(a,b): 2a^(2)+ 3b^(2) = 35, a,b, in z}, where Z is the set of all integers is.: a)2 b)4 c)8 d)12

If the roots of x ^(2) - ax + b =0 are two consective odd integers, then a ^(2) - 4b is

The number of point (a,b) where a and b are positive integers, lying on the hyperbola x ^(2) - y^(2) = 512 is