There are two trains move towards Each Other 50 km per hour and 60 km per hour respectively. When they meet it is noted that faster train cover 50 km more than the other. Find the total distance travelled by them?

First train cover 10 kilometre more in every hour so for 50 km it has to run in 5 hour.

D=(50+60)*5=550km

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A family consists of 6 members P, Q, R, S, T, and U . There are two married couples . Q is a doctor and the father of T ,U is grandfather of R and is a contractor . s is grandmother of T and is a housewife. There is one doctor, one contractor -one house wife and two students in the family.

Which of the following is definitely a group of male members?

Q the doctor, is the father of T. S, the house wife, is the grandmother of T and hence the mother of Q. Since there are only two married couples one being that of Q, the grandfather of R i. e, U must be married to S. Thus, R and T will be both children of Q and these must be the student. So P, who remains, Shell be the wife of Q and she alone can be the nurse. Thus, U must be the contractor. Clearly, for definite the males are Q, the father and U, the grandfather..

All the six members of a family A, B, C, D,
E and F are travelling together. B is the son of C but C is not the mother of
B, A and C are a married couple. E is the brother of C. D is the daughter of A.
F is the brother of B. How many male members are there in the family?

Option: (D)

B is the son of C but C is not the mother of B means C is the father of B. A is married to C means A is the mother of B. F is brother of B means F is son of A and C. D is daughter of A means D is daughter A and C. A is the mother and hence female. B is the son and hence male. C is the husband and hence male. D is the daughter and hence female. E is the brother and hence male. F is the son and hence male. So , there are four males.

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A movie theatre sold 5 times as many children's tickets as adult tickets to an afternoon show. If 132 tickets were sold in all, how many were children's tickets?

Adult tickets : X

Children ticket: 5 x

5 x + X = 132

6 X = 132

x = 132/6

X = 22

Children tickets: 5 x

5(22 )= 110

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In following question, a number series is given with one term missing. Choose correct alternative

4, 8, 28, 80, 244, x

4, 8, 28, 80, 244, x

The patter is alternate 3

So following above formula we get:

3

3

3

3

3

So last no 3

In the class of 10 boys and 5 girls boys have 4 balls each and girls have 1 ball each what will be the average number of balls in class?

={( number of boys X number of balls)+( number of girls X number of balls)}/ total students

={(10Ã—4)+(5Ã—1)}/10+5

=(40+5)/15

= 3 is the average number of balls in class.

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The temperature in 0 F on 20 days during the month of June

was as follows:

70 F, 76 F, 76 F, 74 F, 70 F, 70 F, 72 F, 74 F, 80 F,

74F,74F,78F,76F,78 F,76F,74F,78F,80F,76F

What is the mode of the temperature for the month of June?

76 and 78 is the highest occurrence in series..