Find the next number in the series: 100, 95, 85, 70, ? MCQ with Answer and Explanation

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Find the next number in the series: 100, 95, 85, 70, ?

A. 55

B. 50

C. 40

D. 45

Answer: Option B

Solution (By JKSSB Mock Tests)

Subtractions are 5, 10, 15; next subtraction is 20. 70−20=50.

This question belongs to: Reasoning Logical Reasoning

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Practice More Logical Reasoning Questions

Question #1

If 25th December 2009 was a Friday, what day of the week was 25th December 2010?

A. Monday

B. Sunday

C. Saturday

D. Friday

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Correct Answer: Option C

Explanation:
2009 non-leap, +1 day. Friday +1 = Saturday.

This question belongs to: Reasoning Logical Reasoning

Question #2

A person walks 12 km towards North, then turns left and walks 8 km, then turns left and walks 12 km. In which direction is he from the starting point?

A. South

B. East

C. North

D. West

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Correct Answer: Option D

Explanation:
North 12, left West 8, left South 12. Net West 8 km.

This question belongs to: Reasoning Logical Reasoning

Question #3

If DELHI is coded as CDKGH, then LUCKNOW is coded as ?

A. KUBJMNV

B. KTBJMNW

C. KTBJNMV

D. KTBJMNV

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Correct Answer: Option D

Explanation:
Each letter is shifted one place backward: L→K, U→T, C→B, K→J, N→M, O→N, W→V = KTBJMNV.

This question belongs to: Reasoning Logical Reasoning

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