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There are 20 balls. The balls are number...

There are 20 balls. The balls are numbered consecutively starting from anyone of the numbers from 1 to 20. For any case, the sum of the numbers on all the balls will be a/an

A

Odd number

B

Even number

C

Prime number

D

Cannot say

Text Solution

Verified by Experts

The correct Answer is:
B

Use the properties of even odd numbers.
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PEARSON IIT JEE FOUNDATION-REAL NUMBERS AND LCM AND HCF -Concept application Level -1
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  2. How many composite numbers are in between 50 and 100 (inclusive of 50 ...

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  3. There are 20 balls. The balls are numbered consecutively starting from...

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  4. Pick up the positive integers form the following numbers : (A) 0 (B)...

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  5. Find the absolute values of x- 2, where x < 2.

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  6. Which pair of numbers below are twin primes ?

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  7. Which of the following values are even ? (A)21+18+9+2+19 (B) 34xx2...

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  8. Express the following rational numbers as decimals and identify which ...

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  9. If the numbers a-b and a+b are twin primes then a and b are necessaril...

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  10. Which of the following statements are / is true ?

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  11. The absolute value of 12xx(-3)+12-15 is

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  12. In the set of rational numbers, multiplicative identify is and the ad...

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  13. If a,b in P and a * b, in P. Then P is under the operation *.

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  14. What is the number in the units place of (763)^84 ?

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  15. The HCF of all the natural numbers from 200 to 478 is

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  16. Find the greatest number that divides 59 and 54 leaving remainders 3 a...

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  17. Find the HCF of the first 100 natural numbers.

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  18. Find the units digit in the expansion of (44)^44+(55)^55+(88)^88.

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  19. Find the least number exactly divisible by 36 and 24.

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  20. Find the digit in the units place of (676)^99.

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