In a test there are 50 questions. A student gets 5 marks for
the right answer and 1 mark is deducted for every wrong answer. If she
attempted all the questions and got 78% marks, how many questions did she
attempt correctly?
A number leaves a remainder of 83 when divided by 123. What
will be the remainder if the same number is divided by 41?
The least number to be multiplied by 17640 so that the
result becomes a perfect square is --------------
A number leaves a remainder of 26 when divided by 357. What
will be the remainder if the same number is divided by 17?
What is the sum of the number in the series 3, 7, 11, 15,
...., 75
How many numbers between 281 and 651 are divisible by 2,3,4,
and 5?
If two fifth of one fourth of a number is 4, what is the sum
of the digits of the number?
A number when divided by 5 diminishes by 40. What is the number?
The sum of 3 consecutive even number is 78. What is the
middle number?
Nanu was asked to divide a number by 4, instead she
multiplied it by 4. Her answer was 60 more than the correct answer. What was
the number?
The average age of A and B is 18. If C is 9 years old, what
is the average age of A,B and C?
The average age of 5 children is 8 years. If the father’s
age is also included then the average age of the group becomes 13 years. What
is the age of the father?
The average of three numbers is 135. The largest number is
180 and the difference between the other two numbers is 45. What is the
smallest number?
The average of 13 observations is 23. The average of the
first 7 observation is 27 and the average of the last 7 observation is 24. What
is the value of the seventh observation?
5 years ago the average age of a family of 3 members was 17
years. A baby girl was born during the same period such that the average age of
the family remains unchanged? What is the age of the baby now?
The average marks of 30 students in the class are increased
by 1.2 when a student of mark 42 is replaced by another student. What was the
mark obtained by this new student?
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