For the following questions answer them individually
Punit, Vinit and Ajit begin to jog around a stadium. They complete their revolutions in 45 seconds, 54 seconds and 36 seconds respectively. After how many seconds will they be together at the starting point ?
Raksha invested an amount of Rs. 60,000 to start a software business. After six months, Kamal joined her with an amount of Rs. 90,000. After one year from the commencement of the business, Raksha put in an additional amount of Rs. 20,000. At the end of three years, they earned a profit of Rs. 71,20,000. What is Raksha's share in the profit ?
9 Men working for 7 hours a day can complete a piece of work in 15 days. In how many days can 6 men working for 9 hours a day, complete the same piece of work ?
Ratio of earnings of A and B is 8 : 9 respectively. If the earnings of A increase by 50% and the earnings of B decrease by 25%, the new ratio of their earnings becomes 16:9 respectively. What are A's earnings?
Nitin rides a bicycle at the speed of 15 kms/hr, but stops for 10 minutes to take rest every 20 kms. How much time will he take to cover a distance of 150 kms, ?
In each of these questions, two equations are given. You have to solve these equations and nd out the values of x and y and :
Give answer
a:if x < y
b: if x > y
c: if x ≤ y
d: if x ≥ y
e: if x = y
I. $$16x^{2} + 20x + 6 = 0$$
II. $$10y^{2} + 38y + 24 = 0$$
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