4⁶¹ + 4⁶² + 4⁶³ + 4⁶⁴ is divisible by: 

The students of a class donated Rs. 3, 481 towards relief fund. Each student donated an amount qual to the number of students in the class. The number of students in the class is: 

Direction : What value should come in the place of question mark (?) in the following questions?

$$ \sqrt{8281} =(?) $$

The difference between the sum of four consecutive odd numbers and three consecutives even numbers together is 20. Also, the largest even number is 5 more than the largest odd number. What is the sum of the smallest odd number and the smallest even number?

The ratio of two positive numbers is 3 : 4. The sum of their squares is 400. What is the sum of the numbers?

What is the approximate value will come in place of the question mark(?) in the following questions?

What value will come in place of question mark (?) in the questions given below?

88 × 25 ÷ 4 + 6³ = ?

A is inversely proportional to square of B whereas directly proportional to C. Value of A was 27 when value of B was 4 and value of C was 6. Find the value of A when value of B will be 3 and value of C will be 8.