Practice questions
88551 published questions with worked solutions.
- If A+B+C= and A= B C, then B C is equal to
- The maximum value of ( _1)( _2) ( _n) under the restrictions 0 _1, _2, , _n 2 and ( _1)( _2) ( _n)=1 is
- If A,B,C,D are the angles of a cyclic quadrilateral, then A+ B+ C+ D is equal to
- The value of ( A+ B A- B )^n+ ( A+ B A- B )^n (where n is even) is
- If a ^3 +3a ^2 =m and a ^3 +3a ^2 =n, then (m+n)^ 2/3 +(m-n)^ 2/3 is equal to
- Which of the following numbers is rational?
- If + =x, then ^6 + ^6 = 14 [4-3(x^2-1)^2 ] for
- The value of 1^ 2^ 3^ 100^ is equal to
- If , , are the roots of the equation x^3-px^2-r=0, then the value of (1+ ^2 )(1+ ^2 )(1+ ^2 ) is equal to
- The value of +2 2 +4 4 +8 8 is equal to
- If 2 and 2 are the roots of the equation 8x^2-26x+15=0, then ( + ) is equal to
- The least value of cosec ^2x+25 ^2x is
- If 2 1+ + =x, then 1- - is equal to
- If + cosec , =2, then ^2 + cosec ^2 is equal to
- The value of 20^ 40^ 60^ 80^ is equal to
- If 4n = , then the value of 2 3 4 (2n-2) (2n-1) is
- The value of (B+A)+ (B-A) (B-A)+ (B+A) is equal to
- Consider the following statements: 1. If A= B, then 2A= 2B always. 2. The value of 7 4 7 5 7 is 14. Which of the statements given...
- If y=1+4 ^2x ^2x, then
- If x+ x=2, then ^ 2n x+ ^ 2n x is equal to