Question
A sum doubles in 9 years at simple interest. Find the
rate of interest per annum is.Solution
9years =2times Rate = [(2-1)/9] ×100=100/9=11(1/9)%
1449.98 ÷ 50.48 × 10.12 = ? × 2.16
- 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.)
Two trains, 'P' and 'Q', are moving with speeds of 16 m/s and 24 m/s, respectively. The lengths of the trains are in the ratio 3:...
A and B can complete a task together in 30 days, while B alone takes 60 days to finish it. A began working alone and left after ‘x’ days, after whic...
Find the approximate value of Question mark(?). No need to find the exact value.
(34.95 × 7.03) ÷ 5 + 27.98% of 249.88 – √(80.81) = ?
...30.05% of 1279.98 - ? x 4.06 = 8.082
Raju invests Rs. (p + 200) at a simple interest rate of 25% per annum for a period of 6 years and earns a total interest of Rs. (...
20.22% of (74.9 × 6.01) + 69.97 =?
[34.01 × 18.98 – 12 × √576.03 – 198] ÷ 3.95 = ?
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