A square of side 50cm is inscribed in other square of side 110cm. What is the space between two squares?
- 9800cm2
- 9600cm2
- 14600cm2
- 9075cm2
Math
If the mode and mean is given by 7 and 8, respectively. Then the median is:
If the mode and mean is given by 7 and 8, respectively. Then the median is:
- 1/13
- 13/3
- 23/3
- 33
If P(A) = 0.4 P(B) = 0.8 P(B / A) = 0.6 then P( A ∩ B) is equal to:
If P(A) = 0.4 P(B) = 0.8 P(B / A) = 0.6 then P( A ∩ B) is equal to:
- 0.24
- 0.3
- 0.48
- 0.96
The scaler product of 5i + j – 3k and i – 4j + 7k is:
The scaler product of 5i + j – 3k and i – 4j + 7k is:
- 10
- -10
- 15
- -15
A fraction becomes 1/3 when 1 is subtracted from the numerator and it becomes 1/4 when 8 is added to its denominator. Find the fraction.
A fraction becomes 1/3 when 1 is subtracted from the numerator and it becomes 1/4 when 8 is added to its denominator. Find the fraction.
- 5/12
- 3/32
- 12/5
- 8
The mode and mean is given by 7 and 8, respectively. Then the median is:
The mode and mean is given by 7 and 8, respectively. Then the median is:
- 1/13
- 13/3
- 23/3
- 33
Value of k, for which A = [[k, 8], [4, 2k]] is a singular matrix is-
Value of k, for which A = [[k, 8], [4, 2k]] is a singular matrix is-
- -4
- 4
- ±4
- 0
If 6sin(x ^ 2 – 6x + 8.5) = π then the value of x is-
If 6sin(x2 – 6x + 8.5) = π then the value of x is-
- 1
- 2
- 3
- 5
A pole 6m high casts a shadow 2√3 m long on the ground, then find the angle of elevation of sun.
A pole 6m high casts a shadow 2√3 m long on the ground, then find the angle of elevation of sun.
- 30 degree
- 60 degree
- 90 degree
- 45 degree
The function f(x) = x + cos x is
The function f(x) = x + cos x is
- always increasing
- always decreasing
- increasing for a certain range of x
- none of these
