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What is the remainder when 50! (50 factorial ) is divided by 16 ^ 15 (1615)

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TCS Other Question

If the 20th term of an AP=560 and 30th term of AP=840 then what is the sum of 5th term and 40th term of the series.
a) 1450 b) 1560 c) 1260 d) 1340
19 Two c ars A and B start simultaneously fro m two points P and Q with c ertain speeds
towar ds eac h other. After reaching a point R, speed of A dec reases by 1/3. It then
meets B at a po int S where SQ = 2PR. If he speed of A had beco me 1/3 less at the mid
point of RS the c ars would hav e met at T w here ST = PR/4. Find RS: PR.
(a) 5: 1 (b) 6: 1 (c) 8:1 (d) 10:1