If Amar will be A years old in 3 years, then in terms of A, how old was Amar 5 years ago ?
A - 8
A - 5
A - 3
A + 5
A certain olive orchard produces 315 gallons of oil annually, on average, during four consecutive years. How many gallons of oil must the orchard produce annually, on average, during the next six years, if oil production for the entire 10-year period is to meet a goal of 378 gallons per year ?
230
250
396
420
P,Q and R start at the same time in the same direction to run around a circular stadium. P completes a round in 252 seconds, Q in 308 seconds and R in 198 seconds, all starting at the same point. After what time will they meet again at the starting point ?
36 minutes 12 seconds
40 minutes 36 seconds
42 minutes
46 minutes 12 seconds
An art club of 5 boys and 4 girls makes craft projects. If the girls average is 2 projects each and the boys average is 3 projects each, what is the total number of projects produced by this group ?
12
19
22
23
If Suraj were twice as old as he is, he would be 40 years older than Nikhil. If Nikhil is 10 years younger than Suraj, how old is Suraj ?
25
30
40
45
Parul scores 88,86 and 90 on her first 3 exams. What must she score on her fourth examination to receive an average of 91 ?
90
92
98
100
The average of the three numbers p . q, and r is p . q What does r equal ?
3.p.q - p - q
p.q - p - q
3.p .q + p + q
3.p.q - (p-q)
If the average of the first sixteen positive integers is subtracted from the average of the next sixteen positive integers, what is the result ?
16
24
64
The average of two numbers is M. If one of the numbers is x, what is the other number ?
M + x
2 M - x
Ravi is 5 years older than Amar. In 5 years, Ravi will be twice as old as Amar is now. How old is Ravi now ?
15
26
29