If `o+` is an operation such that `a+b={2a ,\ \ \ \ w h e n\ a > b a+b ,\ \ \ \ \ \ \ w h e n\ a

If n is a whole number such that n+n=n ,\ t h e n\ n=? (a) 1 (b) 2 (c) 3 (d) none of these

Find the area of the triangle formed by O ,\ A ,\ B\ w h e n\ O A= hat i+2 hat j+3 hat k ,\ O B=-3 hat i-2 hat j+ hat kdot

A B C D is a parallelogram, E\ a n d\ F are the mid-points of A B\ a n d\ C D respectively. G H is any line intersecting A D ,\ E F\ a n d\ B C at G ,\ P\ a n d\ H respectively. Prove that G P=P H

Study the letter-series given below and answer the questions that follows: H D Y S M W N B Q P O C R T B L Z V E G U F Which two neighbours in the given arrangement are farthest in the alphabetical order ?

Each question is based on the following alphabet-series : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z In the following letter sequence, how many n's are followed by m but not preceded by h ? a g r h t n m b e n m l b u v n m h er h n m g f e h n m e c n m w q a n m h l b

If S is the sample space and P(A)=1/3P\ (B)a n d\ S=AuuB ,\ w h e r e\ A\ a n d\ B are two mutually exclusive events then P(A)= 1//4 b. 1//2 c. 3//4 d. 3//8

Find the value of a for which the following function is continuous at a given point. f(x)={(x^2+3x-10)/(x^2+2x-15),\ w h e n\ x!=-5a ,\ w h e n\ x=-5

Study the given series and answer the question that follow. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z If every third letter from the given English alphabet is dropped, which letter will be fourth to the right of fourteenth letter from your right? A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1) M 2) N 3) E 4) A 5) None of these

Let A and B be two sets such that n(A)=3 a n d n(B)=2. if (x ,1), (y ,2), (z ,1)a r e in AxxB , find A a n d B , w h e r e x , y , z are distinct elements.

Find the volume in cubic metre (cu. m) of each of the cuboids whose dimensions are: l e n g t h = 12 m , b r e a dt h=10 m , h e igh t=4. 5 m l e n g t h = 4m , b r e a dt h = 2. 5 m , h e igh t = 50 c mdot l e n g t h = 10 m , b r e a dt h = 25 d m , h e igh t = 25 c mdot