Rayleigh scattering is responsible for the blue color of the sky due to the scattering of shorter wavelengths of light by particles.
Rohit Sharma scores 93 runs in his 23rd inning, due to this his average increased by 3 runs. Find his current average?
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...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 64.5 while average of last 5 numbers is 84.8 and 13th, 14th...
Each question contains a statement followed by Quantity I and II. Read the information clearly and answer your questions accordingly.
Qu...
The average weight of a group of 15 students increases by 1.5 kg when the weight of the teacher is also included. If earlier the average weight of the g...
The certain sum amounts to Rs11313.5 in 2(1/2) years at 12% p.a., interest compounded 10 months. The sum (in Rs) is:
The average weight of 7 boxes P, Q, R, S, T, U and V is 72kg. Another box A is added to group and the average now becomes 70kg. If another box C whose ...
The average of five even numbers is 66. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4....
The average weight of 7 men decreases by 3 kg when one of them weighing 150 kg is replaced by another person. Find the weight of the new person
The average age of 15 children and their teacher's age are 12 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age?