Tag: math & puzzles

Questions Related to math & puzzles

0
general knowledge math & puzzles

  1. Col A

  2. Col B

  3. Both are equal

  4. Can't be determined

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Correct Option: A

A manufacturer can save x dollars per unit in production costs by overproducing in certain seasons. If storage costs for the excess are y dollars per unit per day (x > y) , which of the following expresses the maximum number of days that n excess units can be stored before the storage costs exceed the savings on the excess units?

general knowledge math & puzzles

  1. x - y

  2. (x*n)/y

  3. x/y

  4. x/(y*n)

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Correct Option: C

How many gallons of water must be mixed with 1 gallon of a 15-percent salt solution to obtain a 10-percent salt solution?
general knowledge math & puzzles

  1. 0.50

  2. 1.00

  3. 0.67

  4. 1.50

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Correct Option: A

The average of 7 numbers of a set is 33, if a new number ‘k’ is included in the set, then the average becomes 35. Col A: The value of k Col B: 47 which column is greater?
general knowledge math & puzzles

  1. col B

  2. Col A

  3. Both are equal

  4. Can't be determined

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Correct Option: B

Col A: Standard Deviation of numbers having an average 40 Col B: Standard Deviation of numbers having an average 35 Which column is greater?
general knowledge math & puzzles

  1. Col A

  2. Col B

  3. Both are equal.

  4. Can't be determined.

Show answer
Correct Option: D

Jo's collection contains US, Indian and British stamps. If the ratio of US to Indian stamps is 5 to 2 and the ratio of Indian to British stamps is 5 to 1, what is the ratio of US to British stamps
general knowledge math & puzzles

  1. 5 : 1

  2. 10 :5

  3. 15 :2

  4. 25 :2

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Correct Option: D

Helpers are needed to prepare for the fete. Each helper can make either 2 large cakes or 35 small cakes per hour. The kitchen is available for 3 hours and 20 large cakes and 700 small cakes are needed. How many helpers are required
general knowledge math & puzzles

  1. 10

  2. 15

  3. 20

  4. 30

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Correct Option: A

A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long?
general knowledge math & puzzles

  1. 48

  2. 32

  3. 24

  4. 12

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Correct Option: A

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?
general knowledge math & puzzles

  1. 30

  2. 21

  3. 18

  4. 15

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Correct Option: D

What is the simplified result of following the steps above in order? (1) add 5y to 2x (2) multiply the sum by 3 (3) subtract x + y from the product
general knowledge math & puzzles

  1. 5x + 14y

  2. 5x + 16y

  3. 5x + 5y

  4. 6x + 4y

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Correct Option: A