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UGC-NET-Paper1

Maths

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Read the Question carefully and choose the correct option.
Consider the following number series
0,6, 24, 60,120, X
What is the value of term X?

1. 180
2. 210
3. 240
4. 156

निम्नलिखित संख्या श्रृंखला पर विचार करें
0,6, 24, 60,120, एक्स
पद X का मान क्या है?

1. 180
2. 210
3. 240
4. 156
This Question came in
UGC-NET-24-September-2020-Shift-2-Q23
UGC-NET Paper 1 Full Course

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Detailed Explanation & Answer
Primary Differences:
6-0 = 6
24 - 6 = 18
60 - 24 = 36
120 - 60 = 60
X - 120 =?

Look at the differences: 6, 18, 36, 60,? they are increasing by 12, 18 and 24 (secondary difference) respectively.
further the diffrence betweent the secondary difference is 6.

Now the next seconday difference : 24 + 6 = 30
now the primary difference be : 60 + 30 = 90

Therefore the next term of the series is :
X - 120 = 90
X = 120 + 90 = 210
प्राथमिक अंतर:
6-0 = 6
24 - 6 = 18
60 - 24 = 36
120 - 60 = 60
X - 120 =?

अंतर देखें: 6, 18, 36, 60,? वे क्रमशः 12, 18 और 24 (द्वितीयक अंतर) से बढ़ रहे हैं।
इसके अलावा द्वितीयक अंतर के बीच का अंतर 6 है।

अब अगले दूसरे दिन का अंतर: 24 + 6 = 30
अब प्राथमिक अंतर होगा: 60 + 30 = 90

इसलिए श्रृंखला का अगला पद है:
X - 120 = 90
X = 120 + 90 = 210
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