Question
A girl’s age is 130% of what it was 5 years ago,
but 55% of what it will be after 10 years. What is her present age?Solution
Let the girl's present age be 'x' years. According to question, => 1.3 × (x-5) = 0.55 × (x+10) => 1.3x – 6.5 = 0.55x + 5.5 => 0.75x = 12 => x = 16 years
More Age Questions
Evaluate: 360 ÷ [ {18 − (6×2)} × 5 ] + 72 − 33
(43)² - (28)² + (32)² = ?% of 2500
Evaluate:
√729 + √49 - √16 + 1/√64
What will come in place of (?) in the given expression.
12.5 + 7.75 - 3.6 = ?62 of 8 - 320 ÷ 4 = ?3 + 200
2(1/3) + 2(5/6) – 1(1/2) = ? – 6(1/6)
What will come in the place of question mark (?) in the given expression?
30% of 520 + 16% of 1500 = ? + 244
60% of 120 – ?% of 64 = 20% of 200
35% of 840 + 162 = ? – 25% × 300
20% of 240 + 18% of 200 = ?
