A sum of Rs. 'Y' was invested for 7(1/4) years at simple interest of 8(2/5)% p.a. such that the simple interest received was Rs. 5,115.60. Find the si...
If a man rides a bicycle at a speed of 50 km/h for 2 hours and at a speed of 40 km/h for the next 4 hours then what will be the average speed?Â
Let A be a 3 × 3 matrix such that |A ∣ =4. Then ∣ adj(adj(A)) ∣ equals:
The ratio of ages of A and B is 4:3. If A is 5 years older than B, find the age of B.
A can complete a piece of work in 12 days, B in 18 days, and C in 36 days. They all work together for a few days, after which A leaves. B and C continue...
In a triangle ABC, the sides are AB = 15 cm, BC = 20 cm, and AC = 25 cm. Find the area of the triangle using Heron’s formula.
"Arjun" can complete a task on his own in 20 days. "Bhuvan" requires 5 days more than "Chirag" to finish the same task, where "Ch...
The speed of train X is 25% more than the speed of train Y. The time taken by train X to cover P km is z hours, and train Y covers the same distance in ...
The efficiency of P is 20% more than the efficiency of Q, and the efficiency of R is 80% of the efficiency of Q. If P starts with 5/4 of his efficiency ...
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