Simplify : (i) 2 \(\frac{2}{3}\) . 2 \(\frac{1}{5}\) (ii) (\(\frac{1}{33}\))7 (iii) 11 \(\frac{1}{2}\) / 11\(\frac{1}{4}\) (iv) 7 \(\frac{1}{2}\) . 8 \(\frac{1}{2}\)
(i) 2 \(\frac{2}{3}\) . 2 \(\frac{1}{5}\)= 2( \(\frac{2}{3}\) + \(\frac{1}{5}\))
= 2 \(\frac{13}{15}\)
(ii) (\(\frac{1}{33}\))7 = (3-3)7
= (3)-21
(iii) \( \frac{11\frac{1}{2}}{ 11\frac{1}{4}}\)
=11\(\frac{1}{4}\)
(iv) 7 \(\frac{1}{2}\) . 8 \(\frac{1}{2}\)
= (56) \(\frac{1}{2}\)
Find: (i) 9 \(\frac{3}{2}\) (ii) 32 \(\frac{2}{5}\) (iii) 16 \(\frac{3}{4}\) (iv) 125 -\(\frac{1}{3}\)
Section | Number of girls per thousand boys |
|---|---|
Scheduled Caste (SC) | 940 |
Scheduled Tribe (ST) | 970 |
Non-SC/ST | 920 |
Backward districts | 950 |
Non-backward districts | 920 |
Rural | 930 |
Urban | 910 |
(i) Represent the information above by a bar graph.
(ii) In the classroom discuss what conclusions can be arrived at from the graph.
