If a: Vijay becomes a doctor, b: Ajay is an engineer. Then the statement Vijay becomes a doctor if and only if Ajay is an engineer can be written in symbolic form as

If a: Vijay becomes a doctor,b:Ajay is an engineer. Then the statement 'Vijay becomes a doctor if and only if Ajay is an engineer' can be written in a symbolic form as

Write the negation of the following statement. If I become a doctor then I will open a hospital.

Study the following information carefully and answer the questions given below: P, Q, R, S, T, V and W are travelling in three different vehicles, There are at least two passengers in each vehicle I, II & III—and only one of them is a male. There are two engineers, two doctors and three teachers among them. (i) R is a lady doctor and she does not travel with the pair of sisters, P and V. (ii) , a male engineer, travels with only W, a teacher in vehicle I. (iii) S is a male doctor. (iv) Two persons belonging to the same profession do not travel in the same vehicle. (v) P is not an engineer and travels in vehicle II. How many lady members are there among them ?

Study the following information carefully and answer the questions given below: P, Q, R, S, T, V and W are travelling in three different vehicles, There are at least two passengers in each vehicle I, II & III—and only one of them is a male. There are two engineers, two doctors and three teachers among them. (i) R is a lady doctor and she does not travel with the pair of sisters, P and V. (ii) , a male engineer, travels with only W, a teacher in vehicle I. (iii) S is a male doctor. (iv) Two persons belonging to the same profession do not travel in the same vehicle. (v) P is not an engineer and travels in vehicle II. Which of the following is not correct?

Study the following information carefully and answer the questions given below: P, Q, R, S, T, V and W are travelling in three different vehicles, There are at least two passengers in each vehicle I, II & III—and only one of them is a male. There are two engineers, two doctors and three teachers among them. (i) R is a lady doctor and she does not travel with the pair of sisters, P and V. (ii) , a male engineer, travels with only W, a teacher in vehicle I. (iii) S is a male doctor. (iv) Two persons belonging to the same profession do not travel in the same vehicle. (v) P is not an engineer and travels in vehicle II. In which vehicle does R travel ?

Study the following information carefully and answer the questions given below: P, Q, R, S, T, V and W are travelling in three different vehicles, There are at least two passengers in each vehicle I, II & III—and only one of them is a male. There are two engineers, two doctors and three teachers among them. (i) R is a lady doctor and she does not travel with the pair of sisters, P and V. (ii) , a male engineer, travels with only W, a teacher in vehicle I. (iii) S is a male doctor. (iv) Two persons belonging to the same profession do not travel in the same vehicle. (v) P is not an engineer and travels in vehicle II. Which of the following represents the three teachers ?

Choose the correct answer in the example no . (18) so that statement becomes true . Matrices A and B will be inverse of each other only if ……..

A, B, C, D, E, F and G are members of a family consisting of 4 adults and 3 children, two of whom, F and G are girls, A and D are brothers and A is a doctor. E is an engineer married to one of the brothers and has two children. B is married to D and G is their child. Who is C?

A scale drawing of an object is the same shape at the object but a different size. The scale of a drawing is a comparison of the length used on a drawing to the length it represents. The scale is written as a ratio. The ratio of two corresponding sides in similar figures is called the scale factor. Scale factor= length in image / corresponding length in object. If one shape can become another using revising, then the shapes are similar. Hence, two shapes are similar when one can become the other after a resize, flip, slide or turn. In the photograph below showing the side view of a train engine. Scale factor is 1:200. This means that a length of 1 cm on the photograph above corresponds to a length of 200cm or 2 m, of the actual engine. The scale can also be written as the ratio of two lengths. If two similar triangles have a scale factor 5:3 which statement regarding the two triangles is true?