General Mathematics

Question: `6, 13, 18, 25, 30, 37, 40`
A
`25`

B
`30`

C
`37`

D
`40`

Note: The difference between two successive terms from the beginning are `7, 5, 7, 5, 7, 5` So, `40` is wrong
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Question: `56, 72, 90, 110, 132, 150`
A
`72`

B
`110`

C
`132`

D
`150`

Note: The numbers are `7 xx 8, 8 xx 9, 9 xx 10, 10 xx 11, 11 xx 12, 12 xx 13`. So, `150` is wrong
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Question: `8, 13, 21, 32, 47, 63, 83`
A
`47`

B
`63`

C
`32`

D
`83`

Note: Go on adding `5, 8, 11, 14, 17, 20` So, the number `47` is wrong and must be replaced by `46`
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Question: `105, 85, 60, 30, 0, - 45, - 90`
A
`0`

B
`85`

C
`- 45`

D
`60`

Note: The numbers are squares of odd natural numbers , starting from 5 upto `15` So, `36` is wrong
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Question: `4, 6, 8, 9, 10, 11, 12`
A
`10`

B
`11`

C
`12`

D
`9`

Note: Each number is a composite number except `11`
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Question: `125, 127, 130, 135, 142, 153, 165`
A
`130`

B
`142`

C
`153`

D
`165`

Note: Prime numbers `2, 3, 5, 7, 11, 13` are to be added successively. So, `165` is wrong.
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Question: `16, 36, 64, 81, 100, 144, 190`
A
`81`

B
`100`

C
`190`

D
`36`

Note: Each number is the square of a composite number except `190.`
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Question: `125, 123, 120, 115, 108, 100, 84`
A
`123`

B
`115`

C
`100`

D
`84`

Note: prime numbers `2, 3, 5, 7, 11, 13` have successively been subtractef. So, `100` is wrong. It must be `(108 - 11) i. e 97.`
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Question: `3, 10, 21, 36, 55, 70, 105`
A
`105`

B
`70`

C
`36`

D
`55`

Note: The pattern is `1 xx 3, 2 xx 5, 3 xx 7, 4 xx 9, 5 xx 11, 6 xx 13, 7 xx 15` etc.
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Question: `4, 9, 19, 39,79, 160, 319`
A
`319`

B
`160`

C
`79`

D
`39`

Note: Double the number and add `1` to it, to get the next number. So, `160` is wrong.
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Question: `6, 13, 18, 25, 30, 37, 40`

Question: `56, 72, 90, 110, 132, 150`

Question: `8, 13, 21, 32, 47, 63, 83`

Question: `105, 85, 60, 30, 0, - 45, - 90`

Question: `4, 6, 8, 9, 10, 11, 12`

Question: `125, 127, 130, 135, 142, 153, 165`

Question: `16, 36, 64, 81, 100, 144, 190`

Question: `125, 123, 120, 115, 108, 100, 84`

Question: `3, 10, 21, 36, 55, 70, 105`

Question: `4, 9, 19, 39,79, 160, 319`