Which of the following is known as the Rain forests of the oceans?
Coral reefs are also called rainforests of ocean. About 1,000,000 species inhabits the corals reefs which is more diverse than rainforests.
Sonali applied for a job of Science teacher in a school. In the test for job, she scored 8 in Physics, 8 in Chemistry, 6 in Biology, and 6.5 in the inte...
The average age of a class of 27 girls is 18 years. If 3 new girls having average age of 8 years join the class, then the average age of the class becomes:
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 50 and ratio of the 4th and the 5th number is 2:3. If difference between t...
Mukesh has twice as much money as Soham, Soham has 50% more money than Pankaj. If the average money with them is Rs.110, then Mukesh has
15 years ago, the average age of all the 80 teachers of the college was 50 years. 8 years ago, the principal has retired from her post at the age of 60 ...
The average wage of a group of 44 labourers is Rs. 250. If 4 persons receiving average wage of Rs. 275 leave the group and 2 persons receiving average w...
The average number of books sold by Viren in first 3 months is 3000 and in first 4 months is 3800. If the number of books sold by him in 5th ...
A bowler gives 15.2 runs per wicket. He gives 32 runs and takes 4 wickets in the last match after which his average becomes 14.4 runs per wicket. How ma...
The average age of a group of 10 students is 20 years. Two persons of age 25 years and 20 years, left the group and 2 persons of age 26 years and...
In a school with 400 students, the average of the age of the boys is 16 years and that of the girls is 12 years. If the average age of the school is 14 ...
