Mathematics · Quantitative Aptitude

Number Sums and Series

287 Questions

Number sums and series questions test the ability to find patterns and calculate the sum of number sequences. These problems are a staple in the quantitative aptitude sections of various competitive exams. Practice this collection to improve speed and accuracy in solving arithmetic and geometric series problems.

Sum of consecutive integersGeometric series sumsRatio and proportion sumsOdd and even number propertiesRoman numeral calculations

Number Sums and Series Questions

Multiple choice

What is the approximate sum of the numbers 9,38,278 and 62,499?

  1. 20,00,000

  2. 21,00,000

  3. 11,00,000

  4. 15,00,000

  5. 10,00,000
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The two given numbers are 9,38,278 and 62,499. The number 9,38,278 can be rounded-off to the nearest ten thousands as 9,40,000. Similarly, the number 62,499 can be rounded-off to the nearest ten thousands as 60,000. Thus, the approximated sum of the numbers 9,38,278 and 62,499 can be calculated by adding the numbers 9,40,000 and 60,000. 9,40,000 + 60,000 = 10,00,000 The correct answer is  option (5).