A sum becomes Rs 1392 in 2 years and Rs 1488 in 3 years at simple interest. What is the rate (in percentage) of interest per annum?
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A gun is fired at a distance of 1.7 km from Ram and he hears the sound after 25 seconds. The speed of sound in meter per second is
A bus moves at a speed of 84 km/hr after repairing and moves at a speed of 56 km/hr before repairing. It covers 2x distance in 8 hours after repairing.How much time (in hours) will it take to cover x distance before repairing?
X alone can do a piece of work in 12 days and Y alone can do the same work in 6 days. In how many days will both together complete the same work?
What is the sum of all natural numbers between 100 and 400 which are divisible by 13?
tan x = 1
then x = 45
2sin x. cos x = 2× 1/√2 x 1/√2 = 1
If 13x2 = 172 - 92, find the value of x?
In the following question, select the odd letter group from the given alternatives.