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A hall is 20 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is :

If \( 12 % 3 = 1728 \) and \( 15 % 3 = 3375 \), then using the same pattern, what will be the value of \( 17 % 3 \) ?

In the diagram given below :

The Rectangle represents people who are working as Journalists.

The Square represents people who are working as Nurses.

The Ellipse represents people who are working as Bankers.

The Rhombus represents people who are working as Judges.

The numbers in the diagram represent the number of people in each overlapping or non-overlapping section.

How many people work as both Bankers and Judges, but not in any other profession ?

Each digit of an 8-digit number is 7. Calculate the sum of all its digits.

Select the number-letter cluster that can replace the question mark (?) in the given series :

95MJ, 76KF, 57IB, 38GX, ?

Study the relationship between the elements in the first set. Apply the same pattern to the second set to complete the analogy.

\( \frac{W}{D} : 4 :: \frac{V}{E} : ____ \)

The ages of two persons are in the ratio 9 : 5. After 6 years, the ratio becomes 3 : 2. Find the present ages of the two persons.

The average weight of 7 people increases by 3 kilograms when a new person replaces one of them who weighs 70 kilograms. What is the weight of the new person?

Which of the following words can be formed using the letters of the word 'LIVINGSTONE' without repeating any letters ?

Analyze the number series given below and find the missing number that will come in this series.

256, 364, 472, ?, 688