What is the Sum of First 70 Odd Numbers?

A. 4900
B. 4970
C. 4960
D. None of these

What are the number of ways to select 3 men and 2 women such that one man and one woman are always selected?

A. 100
B. 60
C. 30
D. 20

The average of 18 observations was calculated and it was 124. Later on it was discovered that two observations 46 and 82 were incorrect. The correct values are 64 and 28. The correct average of 18 observations is___________?

A. 123
B. 137
C. 121
D. 122

I. a3 – 988 = 343, II. b2 – 72 = 49 to solve both the equations to find the values of a and b?

A. If a > b
B. If a ≥ b
C. If a < b
D. If a ≤ b

Find the mean proportion between 5 and 45.

A. 9
B. 15
C. 25
D. 50

A boat is rowed downstream at 15.5km/hr and upstream at 8.5 km/hr. The speed of the stream is________?

A. 3.5km/hr
B. 5.75km/hr
C. 6.5km/hr
D. 7km/hr

3/20 is what percent of 12/25?

A. 42.75%
B. 31.25%
C. 35.5%
D. 40.5%

2 men and 1 woman board a bus of which 5 seats are vacant, one of these 5 seats is reserved for ladies. A woman may or may not sit on the seat reserved for ladies, In how many different ways can the five seats be occupied by these passengers?

A. 15
B. 36
C. 48
D. 60

the present average age of a couple and their daughter is 35 years. Fifteen years from now, the age of the mother will be equal to the sum of present ages of the father and the daughter. Find the present age of mother?

A. 43 years
B. 40 years
C. 48 years
D. 45 years

Two trains are moving in opposite directions 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is_________?

A. 36
B. 45
C. 48
D. 49