Quiz Discussion

A fires 5 shots to B's 3 but A kills only once in 3 shots while B kills once in 2 shots. When B has missed 27 times, A has killed:

• 1] 30 birds
• 2] 60 birds
• 3] 72 birds
• 4] 90 birds
• 5] None of these

Solve ${ \text{1}}\frac{4}{5} + 20 - 280 \div 25 = ?$

• 1]

  $8\frac{1}{5}$

• 2]

  $9\frac{1}{2}$

• 3]

  $11\frac{1}{2}$

• 4]

  $10\frac{3}{5}$

• 5]

  $12\frac{1}{5}$

5² + 13²  – 11² = (?)³ – 52

• 1]

  6

• 2]

  3

• 3]

  4

• 4]

  5

Simplify : $\root 3 \of { - 2197} \,\times$  $\root 3 \of { - 125} \,\,\div$   $\root 3 \of {\frac{{27}}{{512}}}$  = ?

• 1]

  $\frac{{492}}{7}$

• 2]

  $\frac{{520}}{3}$

• 3]

  $\frac{{554}}{7}$

• 4]

  $\frac{{571}}{5}$

The square root of $\frac{{0.342 \times 0.684}}{{0.000342 \times 0.000171}} = ?$

• 1] 250
• 2] 2500
• 3] 2000
• 4] 4000