If the number 72x67y is divisible by 90, find the value of (x+y)
Find the wrong number in the sequence:
52, 51, 48, 43, 34, 27, 16
At what angle the hands of a clock are inclined at 15 minutes past 5?
Find the area of a rhombus with a side length of 25 cm and one diagonal of 30 cm.
If x varies inversely as (y^2 - 1) and is equal to 2 when y is 5, find the value of x when the value of y is 8.
The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is:
A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B's share?
After 38 liters of petrol were poured into the tank, it was still 5% empty. How much more petrol must be poured into the tank to fill it completely?
A man completes a journey in 10 hours. He travels the first half of the journey at a rate of 21 km/hr and the second half at a rate of 24 km/hr. Find the total distance of the journey in km.