Self Maths Puzzle Logical Reasoning

Find next number in the series:
7,21,43,73,111,......

Read Solution (Total 3)

Self Other Question

If P+Q+R+S=6 and (P+R)(Q+S)=9 then what will be the value of (P-Q+R-S) ?

1. 1
2. 2
3. 4
4. 0
5. -1
6. 6
7. 1.5
8. -0.5
9. -2.5
10. -2
A SUM OF MONEY LENT OUT AT SIMPLE INTEREST AMOUNTS TO RS. 2800 IN 4 YEARS AND TO RS. 2200 IN ONE YEAR.FIND THE SUM OF MONEY AND THE RATE OF INTEREST.