If the ratio of boys to girls in a class is 3:4 and the total number of students is 56, how many boys are there?
Let the number of boys = 3x and girls = 4x. Total = 3x + 4x = 56 => 7x = 56 => x = 8. Thus, boys = 3x = 3*8 = 24. Correct answer: b) 24
If + denotes ÷, × denotes -, - denotes ×, and ÷ denotes +, what is the value of the following expression:
124 + 4 × 5 – 6 ÷ 6 + 3 = ? ...
If ‘A’ means (÷), ‘B’ means (×), ‘C’ means (+), and ‘D’ means (-), then what is the value of the expression:
28 B 3 C 30 A 6 D ...
Select the correct combination of mathematical signs that can sequentially replace the “@” sign and balance the following equation.
12@5@7@2@...
If + means ÷, × means –, – means × & ÷ means +, then 32 + 16 – 13 x 18 ÷ 2 = ?
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
28 * 174 * 6 * 4 * 126 = 18
If '÷' means '+', '+' mean '-', 'x' means '÷' and '-' means 'x', then what will be the value of the given expression:
12 – 6 x 2 + 5 ÷ 9
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 '÷', select the number from the given options that can replace the question mark '?' i...
If 'A @ B' means 'A + B', 'A * B' means 'A X B', 'A %B' means 'A - B' and 'A & B' means 'A ÷ B', then what is the value of the expression ‘45 * 63 & ...
If 65 + 54 = 2, 71 + 62 = 10, then 73 + 83 = ?
