## Skill Check I: IITJEE Foundation Maths

1. Simplify: $(+1) \times (-1) + (+1) \div (-1) -()-1 +(-1) \div (-1) \times (-1) +(-1)$
2. Simplify: $\{ 7 \hspace{0.1in} of \hspace{0.1in} 6 \div 2 - 4(8 \times 12 \div 3 + \overline{-3 \hspace{0.1in} of \hspace{0.1in}+6 -2 })\} \div (-3)$
3. Simplify: $24 \div (-8) + 3 \times (-3)$
4. Simplify: $(+7) - (-3) + (+4) \times (-3) \div (+3) of (-2)$
5. Simplify: $(-3) of (-5) \div (-3) \times (-2) + (-5) - (-2) \div (+2)$
6. Simplify: $(-7) + (-8) - (-3) \hspace{0.1in} of \hspace{0.1in} (-6) \div (+2) - (-4) \times (-4) \div (+2)$
7. Simplify: $(+24) \div (-3) \hspace{0.1in} of \hspace{0.1in} (+4) - (-25) \times (-6) \div (-3) + (-15) \div (-3) \times (-10)$
8. Simplify: $(-3) \hspace{0.1in} of \hspace{0.1in} (-8) \div (-6) - (-8 +4-3)$
9. Simplify: $(-5) [ (-6) - \{ -5 + (-2 + 1 - \overline{3-2}) \} ]$
10. Simplify: $(-3) [ (-8) - \{ +7 - (4-5 - \overline{2-5-1})\}] \div (-11)$
11. Simplify: $(+8) \times (-3) \times (+2) \div [ -1 - \{ -3 + 8 - (6 -2 - \overline{3+5-4}) \} ]$
12. Simplify: $(+32) \div (+2) of (-4) \div [(-7) of 3 \div \{4 - 5(3 - \overline{4 of 2 - 2 of 5}) \}]$
13. Simplify: $(-30) + (-8) \div (-4) \time 2$
14. Simplify: $(-3) \times (-6) \div (-2) + (-1)$
15. Simplify: $56 \div (16 + \overline{4-6}) + (6-8)$
16. Simplify: $(7+6) \times [19 + \{ (-15) + \overline{6-1}\}]$

Regards,

Nalin Pithwa

Purva building, 5A
Flat 06
Mumbai, Maharastra 400101
India

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