MBA Exam

The ratio of sums to n terms of two different arithmetic progressions (APs) is (n + 2) : (3n + 2). What is the ratio of the 14th terms of the two APs?
please provide the approch

1) 29/83
2) 29/38
3) 39/82
4) 23/89

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MBA Other Question

14(7!+13!) / [2(8!)-21(6!)] Remainder?Share yr approachoa is not

1) 720
2) 360
3) 180
4) NOT
how many no's b/w 100 & 900 have sum of their digits equal to 12 ?any shortcut ? @jain4444 @Aizen @Ibanez