MCQ
Without solving simultaneous equation decide $3 x+5 y=16$ and $4 x-y=6$ have ______ .
- ✓unique solution
- Bno solution
- Cinfinitely many solutions
- Dnone of these
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| Assertion $(A)$ | Reason $(R)$ |
| If the median and mode of a frequency distribution are $150$ and $154$ respectively, then its mean is $148.$ | Mean, median and mode of a frequency distribution are related as: mode $= 3$ median $- 2$ mean |