For the following questions answer them individually
The simple interest on a certain sum for 3 years at 8% p.a is ₹ 90 more than simple interest at 9% p.a for 2 years on the same sum. The sum is (in rupees):
15 pipes, each having the same diameter, can fill a cistern in 12 minutes. How long will it
take for 6 pipes, each with double the original diameter,to fill the same cistern at the same speed of the flow?
The sides of the triangle are in the ratio 4:5:6 and then the perimeter of the triangle is 90m. then Area of the triangle.
$$1.123 + 11.23 + 112.3$$ =?
Choose the correct picture which fit the blank space from the figures given below.