Question
In each of the following number series, one term is
wrong. Find the wrong term. 3, 10, 26, 58, 130, 272Solution
ATQ, Check for multiplication + addition pattern: From 3 to 10: 3 × 2 + 4 = 6 + 4 = 10 From 10 to 26: 10 × 2 + 6 = 20 + 6 = 26 From 26 to next (should be): 26 × 2 + 8 = 52 + 8 = 60 From 60 to next: 60 × 2 + 10 = 120 + 10 = 130 From 130 to next: 130 × 2 + 12 = 260 + 12 = 272 So the pattern is: Multiply by 2 and add even numbers increasing by 2: +4, +6, +8, +10, +12 Correct series: 3, 10, 26, 60, 130, 272 Given series has 58 instead of 60. Therefore, 58 is the wrong term.
Pawan and Bhanu started a business with their investments in the ratio 5:7. After 6 months, Raju joined the business with an inve...
- What does the term WORM stand for in computing?
How does an SSD contribute to faster boot times and application loading in a computer system?
A merchant bought 150 items at Rs. 48 each. He sold some of them at a profit of 25% and the remaining at a loss of 15%. If the overall gain made by him ...
If logₓ(81) = 4/3, find x.
10, 9, 16, 45, 176, ?.
5, 19, 40, ?, 103, 145
In triangle ABC, DE is parallel to BC. If AD = 3, DB = 2, and DE = 5, what is the length of BC?
- What is a hierarchical, decentralized system used to name computers, services, or resources on the internet or private networks?
What is the least number of square tiles required to pave the floor of a room 11 m 47 cm long and 6 m 82 cm broad?
Relevant for Exams:
