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Find the value of 9 + 10 + 11 + 12 + … +...

Find the value of `9 + 10 + 11 + 12 + … + 21.`

A

190

B

231

C

195

D

215

Text Solution

Verified by Experts

The correct Answer is:
C
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ARIHANT PUBLICATION PUNJAB-NUMBER SYSTEM-Chapter Exercise
  1. Find the value of 1^(3) + 2^(3) + 3^(3) + …. + upto 10th terms.

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  2. Find the sum of first 21 odd numbers.

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  3. Find the value of 9 + 10 + 11 + 12 + … + 21.

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  4. If sum of six consecutive odd numbers is 168, then find the largest of...

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  5. Find the sum of all prime numbers less than 20.

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  6. 2x - 13 , 2x - 11, 2x-9, 2x-7 are consecutive Numbers. where x is a n...

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  7. (4)/(16) - (1)/(8) = (3)/(8), (6)/(7) - (2)/(9) = (4)/(2) The above ...

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  8. Last digit in 13^(2003)

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  9. A rectangle is divided horizontally into two equal parts. The upper pa...

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  10. If a * b = a^(2) + b^(2) and a.b = a^(2) - b^(2), then the value of (5...

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  11. If 547.527/0.0082=x, then the value of 547527/82 is:

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  12. Which of the fraction is the least ?

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  13. When the number 3^(98) is divided by 5, then remainder is

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  14. Shown here are expressions given to Seema, Anees , Asha and Tessy with...

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  15. If I = (3)/(4) + (5)/(6), II = 3 div [(4 div 5) div 6], III = [3 div (...

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  16. How many times will I be writing 2 if wrote down numbers from 11 to 19...

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  17. The symbol drawn to any size means a + 4 and the symbol drawn to any...

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  18. Which of the following fractions (3)/(8), (4)/(5), (31)/(40), (9)/(20)...

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  19. 2^(10) -1 is divisible by

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  20. In 2010, the population of a city is 30.3 million. This number is same...

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