How many triangles are present in the following figure?
Total numbers of triangles are = BCG, BCK, BKG, EGJ, CDK, CFJ, CFG, JFG, BCD, EFG, EFH, GFH, ABC, BIG, ACG = 15.
The mean of a set of 8 numbers is 80. If the average of the first four numbers and the last two numbers is 90 and 60, respectively, and the ratio of the...
The average cost price of 25 pens (having equal cost price) decreased by Rs.4, when one of the pen is replaced by a new pen having cost price of Rs.60. ...
The average age of husband, wife and their child 4 years ago was 26 years and that of wife and the child 5 years ago was 25 years. The present age of th...
Average weight of 5 students in a class increases by 4 kg when weight of teacher is also included. If sum of average weight of 5 students and weight of ...
The average age of a class of 20 girls is 15 years. If 5 new girls having average age of 10 years join the class, then the average age of the class beco...
Find the average of the following set scores. 450, 1050, 12, 390, 143, 286, 550, 999
The average age of three children is 32 years. If their ages are in the ratio 3:6:7. Find the age of the youngest child.
The average age of a group of persons going for tour to Shimla is 22 years. 30 new persons with an average age of 8 years join the group and their avera...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 45 and ratio of the 4th and the 5th number is 2:3. If difference between t...
The average age of a class of 17 girls is 12 years. If 3 new girls having average age of 8 years join the class, then the average age of the class becomes: