Bachelor of Computer Application, BCA, TU
014240005, Putalisadak Kathmandu
If loga ab = x, logb bc = y and logc ac = z, then,
A number of two digit is six times the sum of its digits. If 9 is subtracted from time number the digits are reversed .The number is
what is n, if n is any positive intiger and
The roots of the equation x^2 − 8x + 16 = 0 are
what is the value of x and y satisfying the equation
The null set is represented by
If (x+2) is a factor of x^3 − 3x^2− 4x + 12 = 0
The point of intersection between the straight lines 3x − y = 12 and 3x + 2y = 6 lie in
The lines (3, 1), (5,-5) and (-1, 13) are
by which this can be divided
Sum to infinity of the series 0.4 + 0.8 + 0.16 + .......is
The sum of the cubes of the first “n” natural numbers is
If 120 apples cost $20, I can buy.......... Apples for 50 cents
The average of 2^10 and 2^9 is
If 7th of a month falls two days after Monday on what day will 18th of the month fall?
the given value is equal to
The geometric mean of
If x and y are rational number such that √xy is irrational number , then √x + √y is
Each prime number has
The area of square whose diagonal is 10 is
what is the value of x when
The lines y + 2 = 5x and 5y + x = −15 are
The sum of prime number greater than 70 and less than 80 is
The diameter of the circle connects the point (2, −3) and (6,4) on the circle. The co- ordinates of the centre of circles is
If A= {a, b, c} then which of the following is true?
Which of the following is not an “identity law” in set operation?
The number of possible non-empty subsets of A = {a, b, c, d} is
If f(x) = x^2, domain = [−1, 2] , then range is
in the real line , what is the domain of
If it takes 20 minutes to dry one shirt how much time does it takes to dry 10 shirts?
what is the value of c if
Inclination of straight lines represented by x − 5 = 0 is
If A and B are sets, then
The system of equations 2x + 3y = 6 and 6x + 9y = 18 have
Reeta ranked 37th from the bottom and 8th from the top. How many students are there?
3^n-2n-1 is divided by:
The logarithm of 64 to base 2√2
The monthly income of two persons are in the ratio is 4:5 and their monthly expenditure are in the ratio 7:9. If each shares is 50 per month, then their monthly income are
If a:b=3:4 then the value of (2a+3b):(3a+4b) is
The ratio between the speeds of the two train is 7:9. If the second train runs 400km in 5hr, then the speed of first train is
The mean proportional between 12x2 and 27y2 is
what is A:B:C if
The ratio 2 to 1⁄4 is equal to ratio
If n is a prime number greater than 3, the remainder when n^2 divided by 12 is
If a:b=4:1 then what is