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8391.If among 200 students, 105 like pizza and d134 like burgers, then the number of students who like only burger can possibly be
8392.If the equation X^2+Y^2=14XY,then log[k(X+Y)]=1/2(logX+logY) for some constant k, find the value of k?
8393.When a number is added in its square the resulting number is 6. What is the number
8394.In Marathon race, 70% of the competitors are female. If the number of male athletes is 45. How many females athletes participated on the marathon?
8395.If 70% of a person's income is 100. What is 40% of his income?
8396.Simplify the equation(-4t^2)(1/4 t^2)(-9t^4)
8397.In a summer cloth sale, jeans prices are down from Rs 2100 to Rs 1800. What percent of the prices are down?
8398.An archer aims his target 75% successfully out of 48 attempts. How many attempts were successful?
8399.What is 12% of 300?
8400.Average height of a 07 member family. A is 168 cm while average height of 05 member family B is 172 cm. What is the combined average of two families?