Popular Questions
- A class has 175 student. The following data shows the number of students obtaining one or more subjects. As given below
- For any two sets A and B, A-(A-B) equals
- In an exam, 50 of them failed in maths, 45 failed in physics, 40 failed in bio and 32 failed in exactly two of three subjects. Fur..
- In a city 20% of the population travels by car,50 % travels by bus and 10% travels by both car and bus. Further given below
- If two sets A and B are having 99elements in common, then the number of elements common to each of the sets A×B and B× A a..
- Given n(U)=20, n(A)=12, n(B)=9, where U is the universal set, A and B are subsets of U, as given below
- If Na= { an:n E N } , then N5 further given below
- If a,b,c, are in A.P. and |a|, |b|, |c| less than 1 and x=1 + a+ a^2 +.........infinite y= 1+b+b^+......infinite z= 1+c+c^2 ....
- If 1/ b-a +1/b-c = 1/a + 1/c , then a,b,c are in
- If a,b,c, are in A.P. , then 1/bc, 1/ ca , 1/ab will be in
- If p,q,r are in G.P. and tan ^-1 p , tan ^-1 q, tan ^-1 r are in A.P. then p, q, r are satisfied the relation
- Five number are in A.P. with common different is not =0.if the 1st , 3rd and 4th terms are in G.P. then
- If A.M. and G.M. of x and y are in the ratio p:q, then x:y is
- Let a be a positive number such that the arithmetic mean of a and 2 exceeds their geometric mean by 1. Then the value of a
- If a,b,c, are in A.P. , b,c,d are in G.P. and c,d,e are in H.P. then a ,c,e are in
- If a,b,c are in A.P. , then 3^a , 3^b , 3^c shall be in
- If a+bx / a-bx = b+cx / b-cx = c+dx /c-dx ( x is not =0)
- If A.M. of two terms is 9 and H.M. is 36 , then G.M. will be
- If x+y / 2 , y , y+z /2 are in H.P. then x,y,z, are. in
- If the ratio of H.M. and G.M. of two quantities is 12:13 , then the ratio of the number is
- If a,b,c are in H.P. , then for all n E N the true statement is
- If a^2, b^2, c ^2 are in A.P. , then (b+c) ^-1 , (c+a)^-1 and (a+b)^-1 wil be in
- If roots of a (b-c)x^2 + b (c-a)x+c(a-b)=0 be equal, then a,b,c are in
- Given a^x=b^y=c^z=d^u and a,b,c,d are in G.P. , then x,y,z,u are in
- If p^th ,q^th , r^th and s^th terms of an A.P. be in G.P. , then (p-q) (q-r), (r-s) will be in
- If the A.M., G.M. and H.M. between two positive number a and b are equal , then
- The geometric of two numbers is 6 and their arithmetic means is 6.5 . The number are
- If a,b,c If a,b,c, are in A.P. then a/ bc, 1/c , 2/b are in
- When 1/a + 1/c + 1/a-b + 1/c-b = 0 and b is not= a is not = c , then a,b,c are
- Three numbers whose sum is 15 are A.P. if they are added by 1,4 and 19 respectively they are in G.P. The number are
- If a,b,c are in G.P. and x,y are the airthmetic means between a,b and b,c respectively , then a/x + c/y is equal to
- If the second , third and sixth terms of an AP are in GP , then the common ratio of GP is
- If three number be in G.P., then their logarithms will be in
- If 9 A.M.s and H.M.s are inserted between the 2 and 3 and if the harmonic mean H is corresponding to airthmetic mean A, then A+..
- If the arithmetic and geometric mean of a and b be A and G respectively , then the value of A-G will be
- If abc are in A.P. as well as in G.P., then
- If a,b,c are in A.P. and a,b,d in G.P., then a,a-b , d-c
- If b+a / b-a = b+ c / b-c. , then a,b,c are in
- If the ratio of two numbers be 9:1, then the ratio of geometric and harmonic means between them will be
- The numbers (root 2 + 1),1, (root 2 - 1 ) will be in
