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
The HCF of
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 ?
LCM of two numbers is 28 times their HCF. The sum of HCF and LCM is 1740. If one of these numbers is 240, the sum of digits of the other number is -
2
5
6
8
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
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
If the average of the first sixteen positive integers is subtracted from the average of the next sixteen positive integers, what is the result ?
12
16
24
64
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
Ajay, Deepak, and Pankaj want to put their money together in order to buy a radio. If Deepak agrees to pay twice as much as Pankaj and Ajay agrees to pay three times as much as Deepak, how much will Deepak contribute ?
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