Q. Anil played 8 cricket matches. The mean (average) of the runs was found to be 80. After playing four more matches, the mean of the runs of all the matches was found to be 70. The total runs made in the last four matches is

View solution

Q. A person walks 10 m infront and 10 m to the right. Then every time turning to his left, he walks 5, 15 and 15 m respectively. How far is he now from his starting point?

View solution

Q. In the series
3, 11, 23, 39, 59, ..........
The next term will be

View solution

Q. Two railway tickets from city A and B and three tickets from city A to C cost Rs.177. Three tickets from city A to B and two tickets from city A to C city Rs.173. The fare for city B from city A will be Rs.

View solution

Q. The next term in the series

2, 5, 10, 17, 26, 37, ? is:

View solution

Q. A group of 210 students appeared in some test. The mean of 1/3rd of students is found to be 60. The mean of the remaining students is found to be 78. The mean of the whole group will be:

View solution

Q. Anil after travelling 6 km towards East from his house realized that he has travelled in a wrong direction, lie turned and travelled 12 km towards West, turned right and travelled 8 km to reach his office. The straight distance of the office from his house is:

View solution

Q. At present a person is 4 times older than his son and is 3 years older than his wife. After 3 years the age of the son will be 15 years. The age of the person's wife after 5 years will be:

View solution

Q. The next term in the series is:

2, 5, 9, 19, 37, ?

View solution

Q. One day Prakash left home and walked 10 km towards south, turned right and walked 5 km, turned right and walked 10 km and turned left and walked 10 km. How many km will he have to walk to reach his home straight?

View solution

Q. Two numbers are in the ratio 3:5. If 9 is subtracted from the numbers, the ratio becomes 12:23. The numbers are

View solution

Q. The mean of the ages of father and his son is 27 years. After 18 years, father will be twice as old as his son. Their present ages are

View solution

Q. The next term in the series: 2, 7, 28, 63, 126, — is

View solution

Q. lf the series 4,5,8,13,14,17,22,........ is continued in the same pattern, which one of the following is not a term of this series?

View solution

Q. A man started walking from his house towards south. After walking 6 km, he turned to his left and walked 5 km after. Then he walked further 3 km after turning left. He then turned to his left and continued his walk for 9 km. How far is he away from his house?

View solution

Q. In a post-office, stamps of three different denominations of Rs 7, Rs 8, Rs 10 are available. The exact amount for which one cannot buy stamps is

View solution

Q. In this series
6, 4, 1, 2, 2, 8, 7, 4, 2, 1, 5, 3, 8, 6, 2, 2, 7, 1, 4, 1, 3, 5, 8, 6, how many pairs of successive numbers have a difference of 2 each ?

View solution

Q. The mean marks obtained by a class of 40 students is 65. The mean marks of half of the students is found to be 45. The mean marks of the remaining students is

View solution

Q. Anil is twice as old as Sunita. Three years ago, he was three times as old as Sunita. The present age of Anil is

View solution

Q. The world population growth rate at a certain reference year was 3.5%. Assuming exponential growth of population, after how many years, the population of the world would have increased by a factor 16 ?

View solution