A) 20 mins
B) 23 mins
C) 26 mins
D) 29 mins
Mathematics
The sum of the reciprocals of A’s ages (in years) 2 years ago and 2 years from now is 2/3. The present age of A is:
A. 3 years
B. 5 years
C. 4 years
D. 6 years
If 6 persons working 8 hours a day earn Rs.8400 per week, then how much will 9 persons working 6 hours a day each per week:
A) Rs.9255
B) Rs.9365
C) Rs.9450
D) Rs.9690
What is the length of each side of the rhombus if the diagonals are 24 cm and 18 cm?
A) 11 cm
B) 12 cm
C) 15 cm
D) 16 cm
In how many days A and B together can complete that work if A, B and C can complete a work in 20, 12 and 8 days respectively?
A) 26/6 days
B) 65/7 days
C) 55/8 days
D) 99/3 days
What is the simplified result of the expression: X+1/7 − X−1/8?
A) 1/49
B) 1/56
C) 2/50
D) 3/52