1. Masalani tenglama yordamida yechishning necha bosqichi bor?
A) 1
B) 2
C) 3
D) 4
E) 5

2. Berilgan masalani tenglamaga keltirish uchun nimaga asoslanadi?
A) qatnashgan sonlarga qarab
B) tenglama xossalariga
C) masala shartiga qarab
D) B va C
E) A va B

3. Yig‘indisi 81 ga teng bo‘lgan uchta ketma-ket toq sonlarni toping?
A) 25, 27, 29
B) 23, 25, 27
C) 27, 29, 31
D) 23, 27, 31
E) 19, 21, 41

4. Onasi 50 yoshda, qizi 28 yoshda bo‘lsa, necha yil oldin qizi onasidan 2 marta yosh bo‘lgan?
A) 7
B) 6
C) 5
D) 4
E) 3

5. Noma'lumning tenglamani to‘g‘ri tenglikka aylantiradigan qiymati bu ...
A) tenglama ildizi
B) tenglamaning xossalari
C) tenglamaning noma'lumlari
D) A va C
E) A, B, C