Question
A sum of money triples itself in 12 years. Find the rate
percent per annum.Solution
Let the Principal = Rs 100 Amount = Rs 300 ⇒ Amount = P + I ⇒ 300 = 100 + I I = 300 – 100 = Rs 200 ⇒ R = (SI x 100)/(P x T) ⇒R = 200 x 100/(100 x 12) R = 16.66% p.a.
More Simple and compound interest Questions
What is the value of ‘x’ if x% of 720 added to {2160 ÷ x of 20} × 2 gives 180?
{640 of 8 - (12)2 of 6} - 900 = ?
9/5 × 18/25 ÷ 42/21 = ? - 82/75
What value should come in the place of (?) in the following questions?
(? ÷ √1444) * 15 = 30 * 45 ÷ 19
345 × 20 ÷ 4 + 28 + 60 = ?Â
√3600% of 150 + 3/5 of 360 - ? = 210
Simplify the following expressions and choose the correct option.
(72 ÷ 3) × (5/6) + 7² = ?
414 ÷ 23 × 38 – 154 + 264 = ?
...17.5% of 400 – 24% of 150 = ?
3.3 Times 2/27 of 40% of 364=?
