Evaluate : (cos2 20° + cos2 70°) + cot 25 tan 65 + cot 5° cot 10° cot 60° cot 80° cot 85°
A sewing machine manufacturing purchases raw materials Rs. 5,40,000 for his manufacturing unit from outside the state.The rate of IGST is @ 12%.He Produced 2 types of sewing machine 50 type A whose base price is Rs 5000,GST @12% and 100 Type B whose base price is Rs 10,000,GST @18%.He had two clients outside the state and received orders for 10 type A and 20 type B only by client X,10 each by client Y.Find
i) input GST
ii) output GST
iii)GST payable/Credit
one pipe can fill a tank in 3 hours less than another 2 pipes together can fill tank in 6 hours 40 minutes .find time to fill the tank