The ratio of the speeds of the two airplanes is 11: 18. If the first airplane covers a distance of 1650 km in 3 hours, then what is the speed (m / s) of the second airplane?

If a : b=2 : 5, b:c=4 : 7 and c : d=9 : 14, then Find out the value of a : b : c : d=?

One number is 50% less than X and another number is 20 percent less than X. What is the ratio of both the numbers?

If the compound interest rate is 20% per annum compounded half yearly, then what will be the interest for two years on the principal of Rs. 100000?

What will be the area (cm²) of the curved surface of an elliptical cylinder whose height and diameter are 10 cm and 8 cm respectively?

7 × 7 of 3 ÷ 3 -14 × P=7, then find out the value of P?

What will be compound interest on a sum of Rs. 1000 at the rate of interest 10% after 5 years?

A, B and C enter into partnership. A advances Rs. 1200 for 4 months, B Rs. 1400 for 8 months and C Rs. 1000 for 10 months. They gain Rs. 585 altogether. Find the share of each.