Instructions

What willcome in place of question mark (?) in the given number series ?

Question 109

140, 133, 119, 98, ?, 35

Solution

Multiples of 7 are subtracted.

140 $$- (7 \times 1)$$ = 133

133 $$- (7 \times 2)$$ = 119

119 $$- (7 \times 3)$$ = 98

98 $$- (7 \times 4)$$ = 70

70 $$- (7 \times 5)$$ = 35

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