What is the average of marks a student who received 90 in English, 84 m Algebra, 75 in French, and 76 in Music, if the subjects have the following weights : English 4, Algebra 3, French 3 and Music 1 ?
78
81
82
83
M college students agree to rent an apartment for per month, sharing the rent equally. If the rent is increased by what amount must each student contribute ?
Exactly three years before the year in which Annu was born, the year was 1980 - x . In terms of x, on Annu's twentieth birthday, the year will be -
1977 + x
1997 - x
2000 - x
2003 + x
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
A salesperson earns twice as much in December as in each of the other months of a year. What part of this salesperson's entire year's earnings is earned in December ?
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
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 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
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
The average of two numbers is M. If one of the numbers is x, what is the other number ?
M + x
2 M - x