The average age of A and B is 18 years. After 3 years, C joins them and the average ages of A, B and C becomes 22 years. The age of C is
20 years
21 years
24 years
24 years
C.
24 years
Average age of A and B = 18 years
Total age of A and B = 18 x 2 = 36 years
Total age of A and B after 3 years = 36 + 3 x 2 = 42 years
Total age of A, B and C = 3 x 22 = 66 years
∴ Age of C = 66 - 42 = 24 years.
From the given alternative word, select the word which cannot be formed using the letters of the given word.
PERSONALITY
REALITY
REASON
PERSON
PERSON
If + means , − means x, x means − and
means +, which of the following will be the value of expression
16
28
32
32
Raj left for his office in a car. He drove 15 km towards North and then 10 km towards West. He then turned to the South and covered 5km. Further he turned to the East and moved 8 km. Finally he turned right and drove 10 km. In which direction is he from his starting point?
West
North
South
South
Consider the given statement(s) to be true and decide regional considerations instead of on pure merit, making it difficult for our teams to win test series against other countries.
Statement: Selectors pick our cricket teams based on regional considerations instead of on pure merit, making it difficult for our teams to win test series against other countries.
Conclusions:
I. Our cricket team have no hope of winning test series against other countries.
II. Our cricket teams need to be selected on pure merit.
Only conclusion I follows
Only conclusion II follows
Both conclusion I and conclusion II follow
Both conclusion I and conclusion II follow
Consider the given statement(s) to be true and decide which of the given conclusions/assumptions can definitely be drawn from the given statements.
Statement: No tree is green.
: All plants are trees
Conclusions I. Some plants are green.
II. Those plants which are not trees are given.
Only conclusion I follows
Only conclusion II follows
Both conclusion I and conclusion II follow
Both conclusion I and conclusion II follow