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In the following number series, only one number is wrong. Find out the wrong number.
4, 6, 14, 45, 184, 925
The pattern of the series is: 5 × 1 + 1 = 6
6 × 2 + 2 = 14
14 × 3 + 3 = 45
45 × 4 + 4 = 184
184 × 5 + 5 = 925
Hence, the wrong number is 4.
3, 4, 3, 8, 31, 154
The pattern of the series is: 3 × 1 – 1 = 2
2 × 2 – 1 = 3
3 × 3 – 1 = 8
8 × 4 – 1 = 31
31 × 5 – 1 = 154
10, 6, 12, 16, 40, 116, 380
The pattern of the series is:
10 × 0.5 + 20 = 6
6 × 1 + 21 = 8
8 × 1.5 + 22 = 16
16 × 2 + 23 = 40
40 × 2.5 + 24 = 116
116 × 3 + 25 = 380
Hence, the wrong number is 12.
16, 79, 314, 939, 1874, 3757
The Pattern of series is:
16 × 5 – 1 = 79
79 × 4 – 2 = 314
314 × 3 – 3 = 939
939 × 2 – 4 = 1874
1874 × 1 – 5 = 1869
Hence, the wrong number is 3757.
Directions For Questions
Direction: Read the pie-chart carefully and answer the following questions.
The given pie chart shows the degree wise distribution of daily usage of water (in liters) of five different families in a town.
Total water used in a day = 56,000 liters
...view full instructions
Water used by families P and R together is what percent more/less than the water used by family U?
If the ratio of the water used by all the families to total water available for all the families is 7 : 8, then find the ratio of unused water to the difference of the water used by families S and Q.
Find the difference between the water used by families S and U together to water used by families P and R together.
If the respective ratio of water used by family U for drinking, washing and cooking is 1 : 3 : 4, then find the difference between the water used by family U for cooking and drinking.
If the water used another family K is 20% more than water used by family S and water used by family K is 70% of the total water available for K, then find water available for family K?
What should come in place of the question mark '?' in the following question?
⇒ 88 + 39 = 6 + ?2
⇒ 127 =6 +?2
⇒ 127 − 6 =?2
⇒ ?2= 121
⇒ ? = 11
Correct (-)
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