Question
The average of the second and third numbers is 50, while
the average of the first and fourth numbers is 54. If the sum of the second and fourth numbers is 106, find the second number.Solution
ATQ, Let, the number be x, y, z and w respectively. According to the question, y+ z = 100 ... (1) x+ w = 108 ... (2) y + w = 106......(3) solve these equations From equation (1) and (3), Subtract to find w - z = 6 ....(4) substitute w from (4) and (3) y + z + 6 = 162 y = 50Â
564.932 + 849.029 – 425.08 = 612.095 + ?
999.99 + 99.99 + 99= ?
A sum of ₹60,000 is invested at a compound interest rate of 'x%' per annum, compounded annually, and grows to ₹75,264 in 2 ye...
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
³√? × 33.97 + 59.99 × 28.9 – 48.98 × 21.42 = 1085.344
1279.98 ÷ 40.48 × 10.12 = ? × 2.16
(124.901) × (11.93) + 219.95 = ? + 114.891 × 13.90
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
Relevant for Exams:
