Question
What is the fourth proportional to 3, 8,
15?Solution
Let the fourth proportion be x. Then, => 3 : 8 :: 15 : x => 3x = 15 × 8 => x = (15 × 8)/3 = 40
If 65 + 54 = 2, 71 + 62 = 10, then 73 + 83 = ?
If '+' means 'subtraction', ' X ' means 'addition', '-' means 'division' and '÷' means 'multiplication', then what is the value of the following expres...
If 'A' means '×', 'B' means '÷', 'C' means '+', and 'D' means '-', then what will come in the place of '?' in the given expression?
180 A 5 ...
- Which two signs should be interchanged to correct the given equation?
5 + 3 × 8 – 12 ÷ 4 = 3 What will come in place of ‘?’ in the given expression?
12 × 12 + 10² + 24 × (5/4) = ?
- If 'P' means 'division', 'Q' means 'subtraction', 'R' means 'addition', and 'S' means 'multiplication', then what is the value of the expression:
{... By interchanging the given two signs and numbers which of the following equation will be correct?
× and +, 6 and 4
In a certain code of language, ‘+’ represents ‘×’, ‘-‘represents ‘+’, ‘×’ represents ‘÷’ and ‘÷’ represents ‘-‘. Wh...
A recent survey of married couples in Indian metro cities showed that 20% of the couples have only one child, 45% of the remaining couples have two chil...
After interchanging the given two signs, what will be the value of the given equation?
X and –
64 + 15 ÷ 90 - 120 X 17
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