Which test is used when sample size is large (>30) and population standard deviation is known?
Z-test is used when sample size is large (>30) and population standard deviation is known.
If 6$144 = 24, 8$232 = 29 then what is the value of 5$110 = ?
Which two signs should be interchanged to make the following equation correct?
38 ÷ 26 – 2 + 5 × 4 = 45
A $ B means A X B, A & B means A - B, A % B means A ÷ B and A # B means A + B, then what is the value of 320 & 80 # 120 % 24 $ 50?
Which signs should be interchanged to make the given equation correct.
51 ÷ 3 + 17 x 14 - 2 = 6
If ‘+’ means ‘-’, ‘×’ means ‘+’, ‘-’ means ‘÷’ and ‘÷’ means ‘×’, then, what is the value of the following expressio...
If 12 $ 18 = 10, 15 $ 18 = 11 then what is the value of 32 $ 22 = ?
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
65 * 45 * 25 * 5 * 35 * 60
If ‘@’ means ‘+’, ‘#’ means ‘-’, ‘$’ means ‘×’ and ‘%’ means ‘÷’, then what is the value of the following expression?...
Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation.
15 * 9 * 64 ...
Which two signs should be interchanged in the following equation to make it correct:
490 ÷ 70 + 5 × 28 – 15 = 48