Question
Average weight of Shikhar, Rohit and Virat is 72 kg.
Hardik joins the group and the average now becomes 65 kg. If Dhoni whose weight is 8 kg more than that of Hardik replaces Shikhar then the average weight of Rohit, Virat, Hardik and Dhoni becomes 53 kg. The weight of Shikhar (in kg) isSolution
According to the question, Average weight of Shikhar, Rohit and Virat = 72 kg Total weight of Shikhar + Rohit + Virat = 72 × 3 = 216 kg . Total weight of Shikhar + Rohit + Virat + Hardik = 65 × 4 = 260 kg -------(i) Weight of Hardik = 260 – 216 = 44 kg Weight of Dhoni = 44 + 8 = 52 kg Average weight of Rohit, Virat, Hardik and Dhoni = 53kg Total weight of Rohit + Virat + Hardik + Dhoni = 53 × 4 = 212 kg ................. (ii) Deducting (i) from (ii), Dhoni - Shikhar = 212 – 260 52 – Shikhar = -48 Weight of Shikhar = 52 +48 kg = 100kg
Find the value of ‘x’ if x% of 600 + {1440 ÷ x of 16} × 8 = 156
How many 3-digit numbers are divisible by 6 or 9?
The diameter of the base of a right circular cone is 4.2 cm and its height is 10 cm. calculate the volume of the cone.
Find the LCM of x2 - 3x + 2 and x2 - 5x + 6
The sentence below has a word in which the letters are jumbled up. Rearrange the letters of that word, written in capital letters, to form the correct w...
A man is 60% more efficient than a boy. Together, two boys and one man can finish a task in 15 days. How many boys would be needed to complete the same ...
If A:B = 5:8 and C:B = 4:9 then find the value of (A:B:C) .
A tradesman gives 6% discount on the marked price and 1 article free with every 24 articles bought and still gains 25%. If the marked price is 28% more ...
A cuboidal box has dimensions of length = 18 cm, breadth = 15 cm, and height = 10 cm. If the breadth is increased by 20% and the height is decreased by ...
If '+' means '-' , '-' means 'x' , 'x' means '÷' , '÷' means '+' , then what will be the value of ' 500 x 50 - 20 ÷ 50 + 40 ' = ?
...