23-12-2024 10:04:56 am
  • What is the average of the first 100 natural numbers?

    A. 25.5

    B. 50.

    C. 50.5

    D. None of these

  • Explanation: The sum of all odd numbers between 1 and 100 is 50^2=2500 The sum of all even numbers between 2 and 100 is 50^2+50=2550 The total of 1 to 100 natural numbers is 2500+2550 5050 The average of the first 100 numbers is 5050 / 100 = 50.50

  • 1 kilometer is equal to: __________?

    A. 100 m

    B. 500 m

    C. 1000 m

    D. 2000 m

  • in a class of 40 students 20% are girls. How many boys are in the class?

    A. 30

    B. 32

    C. 28

    D. 26

  • What is the average of the first 100 natural numbers?

    A. 25.5

    B. 50.

    C. 50.5

    D. None of these

  • 0.04 × 0.0162 × 0.001 is equal to?

    A. 0.000000648

    B. 0.0000648

    C. 0.00000648

    D. None of these

  • Out of three given numbers the first number is twice the second and thrice the third. If the average of the three numbers is 154 what is the difference between the first and the third number?

    A. 126

    B. 42

    C. 168

    D. 52

  • P is 5 times as large as Q, the percent that Q is less than P is ____________?

    A. 60%

    B. 90%

    C. 80%

    D. None of these

  • The average of 11 numbers is 10.9. If the average of first six is 10.5 and that of the last six is 11.4 the sixth number is_____________?

    A. 11.0

    B. 11.3

    C. 11.4

    D. 11.5

  • A man spend Rs. 3300. This was 75% of his monthly income. His monthly income is__________?

    A. 4000

    B. 4400

    C. 5000

    D. 5400

  • What are Prime Numbers?

    A. Which can be divided by Even Numbers

    B. Which can be divided by Number 1 & by itself Number

    C. Which can be divided by Odd Numbers

    D. Which can be divided by any Number

  • If n(U)=60, n(A)= 35, n(B)=24, and n(AUB)’=10 then n(A∩B) is ____________?

    A. 9

    B. 8

    C. 10

    D. None of these

  • If a dice is rolled twice then what is the probability that the sum of the number of dots shown is 8?

    A. 5/36

    B. 4/36

    C. 1/12

    D. 1/2

  • 1 inch is equal to ___________ centimeters?

    A. 3.2 cm

    B. 6.9 cm

    C. 1.82 cm

    D. 2.54 cm

  • What is the Arithmetic Mean of the following data 3,6,9,12,15.

    A. 7

    B. 9

    C. 12

    D. 8

  • What’s the largest known Prime Number?

    A. 282,589,933 − 3

    B. 282,589,933 − 1

    C. 282,589,933 − 5

    D. None of these

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