Skip to contentWhat is the numerical value of the following infinite series? 1+{(\frac12)}+{(\frac12)}^2+{(\frac12)}^3+{(\frac12)}^4+--------
- 3
- infinity
- 1.98
- 2
Explanation :
A man goes to a place at 5 mph and returns at 6 mph. What is the average speed?
- 5.45 mph
- 5 mph
- 7.5 mph
- 8 mph
Explanation :
If x and y are both odd integers, which of the following numbers must be an even integers?
- x²+y-1
- xy + y²
- x+y+1
- xy + 1
Explanation :
In a class there are 4 boys and 4 girls. Two students are selected at random, what is the probability that both will be girls?
- 1/2
- 3/7
- 3/4
- 3/14
Explanation :
32^{x+y} = 16^{x+y}, what is the value of x?
- y
- -y
- 2y
- x(2y+2)
Explanation :
In a class of 24 students, one half of the students take higher math & one third take physics and one fourth take both. How many take neither?
- 14
- 15
- 10
- 8
Explanation :
A tank is 40% full. If 16 liters of water is added to the tank, it becomes 4/5 full. The capacity of the tank is:
- 32 liters
- 35 liters
- 40 liters
- 42 liters
Explanation :
If x:ya:b, x = 6, y = 5 and a = 36, then b = ?
- 30
- 43.2
- 40
- 25
Explanation :
Circumference of a wheel is 8 ft. How many times does it have to turn to cross 1000m?
- 410
- 300
- 500
- 337
Explanation :
If a + b = 5 and a – b = 3, then ab =?
- 2
- 3
- 4
- 5
Explanation :
