The average of three numbers is - 4. If a fourth number is added, the arithmetic mean of all four numbers is - 1. What is the fourth number ?
- 10
- 8
8
12
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 ?
The HCF of
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
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
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
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
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 ?
19
22
23
Aniket is now 20 years old, and his brother Abhay is now 14 years old. How many years ago was Aniket's age three times Abhay's age at that time ?
7
11
Three lottery winners - p,q and r-are sharing a lottery jackpot, p's share is of r's share. If the total jackpot is , what is the rupees amount of r's share ?
