This quiz works best with JavaScript enabled. Home > Unit V Mathematical Reasoning And Aptitude > Number Series – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Number Series Quiz 2 (10 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the next two terms in the following sequence? 1,-1, 2,-2, 3,-3, ..... A) 3,-4. B) 4, 5. C) 4,-4. D) -4, 4. Show Answer Correct Answer: C) 4,-4. 2. Laura says she can order the following numbers only by looking at the first two digits. Is she correct? A) Yes, she is correct. B) I have no clue!. C) No. In this case, she needs to look at the third digit as well. D) None of above. Show Answer Correct Answer: C) No. In this case, she needs to look at the third digit as well. 3. Look at the given pattern of numbers. 21 29 37 45? If the pattern continues in the same way, what will be the next number? A) 59. B) 27. C) 53. D) 61. Show Answer Correct Answer: C) 53. 4. Select the missing number from the given series. 75, 81, 88, 96, ..... A) 105. B) 115. C) 110. D) 104. Show Answer Correct Answer: A) 105. 5. What is the sum of first 45 odd numbers? A) 2025. B) 3025. C) 2070. D) None of above. Show Answer Correct Answer: A) 2025. 6. Find the next term: 3, 7, 15, 31, 63,? A) 90. B) 95. C) 127. D) 125. Show Answer Correct Answer: C) 127. 7. Complete the series:500, 450, 410, 380, ..... A) 310. B) 340. C) 360. D) 350. Show Answer Correct Answer: C) 360. 8. Sum of the series 10$^{3}$+11$^{3}$+12$^{3 }$+ ..... 20$^{3}$ is A) 4275. B) 42750. C) 40275. D) 42075. Show Answer Correct Answer: D) 42075. 9. Sum of first n odd numbers can be calculated using: A) $n^2$. B) $2^n$. C) $\frac{n+1}{2}$. D) $\frac{n\left(n+1\right)}{2}$. Show Answer Correct Answer: A) $n^2$. 10. Look at this series: 544, 509, 474, 439, ..... What number should come next? A) 404. B) 414. C) 420. D) 445. Show Answer Correct Answer: A) 404. ← PreviousNext →Related QuizzesNumber Series Quiz 1Number Series Quiz 3Number Series Quiz 4Number Series Quiz 5Number Series Quiz 6Number Series Quiz 7Number Series Quiz 8Number Series Quiz 9Number Series Quiz 10Number Series Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books