Question
The average weight of 4 persons is 33 kg. The heaviest
person’s weight is 30 kg more than the lightest person’s weight. If the average weight of the rest two persons is 47 kg, then find the weight of the heaviest person.Solution
The sum of the weight of 4 persons = 33 × 4 = 132 kg Let the weight of the lightest person = ‘x’ kg The weight of the heaviest person = (x + 30) kg The sum of the weight of the remaining two persons = 47 × 2 = 94 kg According to the question, x + x + 30 + 94 = 132 2x = 8 x = 4 The weight of the heaviest person = 4 + 30 = 34 kg
What is the highest possible sum of (x + y) if the number '7x542y6' is divisible by 12?
- The sum of two numbers is 144. Their LCM is 540 and HCF is 15. What is the smaller number?
In an examination, Ajay earned 28% of the total marks, falling short of the passing mark by 42 marks. On the other hand, Vijay achieved 41% of the total...
What number should be deducted from 699 so that the resulting value, when divided by 7, 9, and 11, gives a remainder of 3 in each case?
Harish decided to distribute Rs.16,250 among his three sons Rohit, Ashish and Dinesh such that Ashish would get 1/4th of what Rohit and Dinesh would tog...
How many integer pairs (x, y) satisfy the inequality x2 + 4y2 < 100?
Some pencils were distributed among (x + 2) students such that each student received 10 pencils. If there had been 5 students more, then pencils receive...
If a, 1, b are in arithmetic progression and 1, a, b are in geometric progression, then a and b are respectively equate to _______ (where a ≠b).
- Find the median of the following observations:
21, 28, 33, 19, 25, 30, 27 - Find the remainder when the number (289n + 119) is divided by 17.
