Mental Ability
The missing number in the sequence 4, 18, 48, 100, ?, 294, 448 is
If ${}^{2n}C_{3}:^{n}C_{2}=44:3$, then the value of n is
If the average of m numbers is $n^{2}$ and that of n numbers is $m^{2}$, then the average of $m+n$ numbers is
In a group of athletic teams in a school, 21 are in the basketball team, 26 in the hockey team and 29 in the football team. If 14 play hockey and basketball, 12 play football and basketball, 15 play hockey and football, 8 play all the three games, th...
Mohan can do a bit of work in 25 days which can be completed by Sohan in 20 days. Both together labour for 5 days and afterward Mohan leaves off. How long will Sohan take to complete the remaining work?
A clock is started at 12:00 noon. By 10 minutes past 5:00, the hour hand has turned through
Which one of the following cannot be the square of a natural number?
Given that 217x + 131y = 913 and 131x + 217y = 827, then x and y are respectively
$9 \cdot \frac{(598+479)^{2}-(598-479)^{2}}{598\times479}=?$
The population of a town is 176400. If it increases annually at the rate of 5%, then what will be its population after two years?