Recently Active Mathematics Questions

If {{x}^{y}}={{y}^{x}}, then {{(x/y)}^{(x/y)}}={{x}^{(x/y)-k}}, where k= a) 0 b) 1 c) -1 d) 2 ...

The G.C.D. of 1.08, 0.36 and 0.9 is: a) 0.03 b) 0.9 c) 0.18 d) 0.108 ...

The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is a) 74 b) 94 c) 184 d) 364 ...

The range of f(x)=cos (x/3) is a) [-1/3,,,1/3] b) [,-3,,3] c) [1/3,,,-1/3] d) [– 1, 1] ...

The area of a square of side (2x − ay + 3) is A(x) + a2y2 + 2y (2x + 3), where A(x) is a polynomial in the variable x. What is the value of the constant a? Plz tell how to obtain the answer ...

1. *Image* 2. *Image* 3. *Image* 4. *Image* 5. *Image* 6. *Image* ...

The relation R defined on the set A = {1, 2, 3, 4, 5} by R = {(x, y) : |{x^2} - {y^2}| < 16} is given by a) {(1, 1), (2, 1), (3, 1), (4, 1), (2, 3)} b) {(2, 2), (3, 2), (4, 2), (2, 4)} c) {(3, 3), (3, 4), (5, 4), (4, 3), ( ...

The period of the function f(x)=|sin x|+|cos x| is a) pi b) pi /2 c) 2pi d) None of these ...

Given the mean (30), the mode (35). What is the median? 30 31.67 40 55.7 ...

The solution of the equation {log _7}{log _5}(sqrt {{x^2} + 5 + x} ) = 0 a) x = 2 b) x = 3 c) x = 4 d) x = - 2 ...

Find the domain of the following fu *Image* nctions : ...

The value of sqrt {(log _{0.5}^24)} is a) –2 b) sqrt {( - 4)} c) 2 d) None of these ...

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Find the common area of the regions x2+y2≤100 and sin(x+y)>0. ...

A winter resort in the Himalayas took a poll of its 350 visitors to see which adventure sport was most loved.The results of the poll were as follows. 2 liked all three 15 people liked skiing and ice skating 49 people liked to ...

no. of solns. of 2cos x =|sin x| in[-2Ï€,5Ï€] ...

Find area of given figure ...

The no. obtained on reversing the digits is 594 less than the original no.the no. is....we have to solve it by using A.P;how??? ...

Express the following numbers: a)0.23232323 b)0.444444 c)0.2373737373 in the form m/n. How will I do it? ...

If n is a natural number,n^2 x 6n is always divisible by a)6 only b)12 only c)6 & 12 both d)18 only How will I solve this problem? ...

18) *Image* Find angle PRQ a) 45° b) 135° c) 70° d) 35° Your Answer a Correct Answer b Should be 65°, eh? ...

If {{a}^{x}}={{b}^{y}}={{(ab)}^{xy}}, then x+y= a) Y b) 0 c) 1 d) 2y ...

If {log _{10}}2 = 0.30103,{log _{10}}3 = 0.47712, the number of digits in {3^{12}} imes {2^8} is a) 7 b) 8 c) 9 d) 10 ...

In a certain town 25% families own a phone and 15% own a car, 65% families own neither a phone nor a car. 2000 families own both a car and a phone. Consider the following statements in this regard: 1.10% families own both a c ...

Consider an equilateral triangle ABC with side length 2.1cm. Find the minimum number of equilateral triangles with side length 1cm which can be placed over ΔABC so that it is completely covered. ...

512 + 592 a) 6080 b) 6082 c) 6083 d) 6000 ...

Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ? a) 4 b) 10 c) 15 d) 16 ...

If f(x) is an invertible func such that f(x) + f(-x)=2a then ∫a-xa+x f-1(t)dt equals : ...

If f(x)=sqrt{|x-1|} and g(x)=sin x, then (fog)(x) is equal to a) sin sqrt{|x-1|} b) |sin x/2-cos x/2| c) |sin x-cos x| d) None of these ...

If for two function f and g ; gof is a bijection, then correct statement is a) Both g and f must be bijections b) g must be a bijection c) f must be a bijection d) Neither of them may be a bijection ...